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2011102210212 = 22319611135112739
BaseRepresentation
bin11101010000111111000…
…010000110100010100100
321010021000011121120020220
4131100333002012202210
5230422214131211322
64135515415524340
7265203662506614
oct35207702064244
97107004546226
102011102210212
117059a384a727
122859220896b0
131178526c7524
146d4a3168a44
15374a7a0b55c
hex1d43f0868a4

2011102210212 has 96 divisors (see below), whose sum is σ = 5021361945600. Its totient is φ = 624569616000.

The previous prime is 2011102210207. The next prime is 2011102210277. The reversal of 2011102210212 is 2120122011102.

It is a junction number, because it is equal to n+sod(n) for n = 2011102210191 and 2011102210200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157863339 + ... + 157876077.

It is an arithmetic number, because the mean of its divisors is an integer number (52305853600).

Almost surely, 22011102210212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011102210212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2510680972800).

2011102210212 is an abundant number, since it is smaller than the sum of its proper divisors (3010259735388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011102210212 is a wasteful number, since it uses less digits than its factorization.

2011102210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24177 (or 24175 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2011102210212 its reverse (2120122011102), we get a palindrome (4131224221314).

The spelling of 2011102210212 in words is "two trillion, eleven billion, one hundred two million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 61 76 114 122 183 228 244 366 732 1159 2318 3477 4636 6954 11351 12739 13908 22702 25478 34053 38217 45404 50956 68106 76434 136212 152868 215669 242041 431338 484082 647007 692411 726123 777079 862676 968164 1294014 1384822 1452246 1554158 2077233 2331237 2588028 2769644 2904492 3108316 4154466 4662474 8308932 9324948 13155809 14764501 26311618 29529002 39467427 44293503 52623236 59058004 78934854 88587006 144600389 157869708 177174012 289200778 433801167 578401556 867602334 1735204668 2747407391 5494814782 8242222173 8820623729 10989629564 16484444346 17641247458 26461871187 32968888692 35282494916 52923742374 105847484748 167591850851 335183701702 502775552553 670367403404 1005551105106 2011102210212