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211012111002 = 23711508189891
BaseRepresentation
bin1100010010000101001…
…1010100101010011010
3202011122210111212220110
43010201103110222122
511424123100023002
6240534305505150
721150035230620
oct3044123245232
9664583455813
10211012111002
1181542921190
1234a8b6421b6
1316b8a8c71a4
14a2da825510
155750106e6c
hex31214d4a9a

211012111002 has 64 divisors (see below), whose sum is σ = 526269477888. Its totient is φ = 54796944000.

The previous prime is 211012110983. The next prime is 211012111003. The reversal of 211012111002 is 200111210112.

It is a super-2 number, since 2×2110121110022 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211012111003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2302477 + ... + 2392367.

It is an arithmetic number, because the mean of its divisors is an integer number (8222960592).

Almost surely, 2211012111002 is an apocalyptic number.

211012111002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211012111002 is an abundant number, since it is smaller than the sum of its proper divisors (315257366886).

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

211012111002 is a wasteful number, since it uses less digits than its factorization.

211012111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94995.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211012111002 its reverse (200111210112), we get a palindrome (411123321114).

The spelling of 211012111002 in words is "two hundred eleven billion, twelve million, one hundred eleven thousand, two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 5081 10162 15243 30486 35567 55891 71134 89891 106701 111782 167673 179782 213402 269673 335346 391237 539346 629237 782474 988801 1173711 1258474 1887711 1977602 2347422 2966403 3775422 5932806 6921607 13843214 20764821 41529642 456736171 913472342 1370208513 2740417026 3197153197 5024097881 6394306394 9591459591 10048195762 15072293643 19182919182 30144587286 35168685167 70337370334 105506055501 211012111002