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11102100212 = 2274126935951
BaseRepresentation
bin10100101011011110…
…01001101011110100
31001122201120010101202
422111233021223310
5140214114201322
65033352312032
7542056203050
oct122557115364
931581503352
1011102100212
114787934235
12219a0a2618
13107c125088
1477468ac60
1544ea0b292
hex295bc9af4

11102100212 has 48 divisors (see below), whose sum is σ = 22830958080. Its totient is φ = 4624608000.

The previous prime is 11102100203. The next prime is 11102100287. The reversal of 11102100212 is 21200120111.

It is a junction number, because it is equal to n+sod(n) for n = 11102100193 and 11102100202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290837 + ... + 326787.

It is an arithmetic number, because the mean of its divisors is an integer number (475644960).

Almost surely, 211102100212 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 11102100212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11415479040).

11102100212 is an abundant number, since it is smaller than the sum of its proper divisors (11728857868).

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

11102100212 is a wasteful number, since it uses less digits than its factorization.

11102100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36272 (or 36270 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11102100212 its reverse (21200120111), we get a palindrome (32302220323).

The spelling of 11102100212 in words is "eleven billion, one hundred two million, one hundred thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 41 82 164 269 287 538 574 1076 1148 1883 3766 7532 11029 22058 35951 44116 71902 77203 143804 154406 251657 308812 503314 1006628 1473991 2947982 5895964 9670819 10317937 19341638 20635874 38683276 41271748 67695733 135391466 270782932 396503579 793007158 1586014316 2775525053 5551050106 11102100212