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111013112012 = 2211231031065017
BaseRepresentation
bin110011101100011100…
…1011010100011001100
3101121112200202101210012
41213120321122203030
53304323324041022
6122555420132352
711010002611535
oct1473071324314
9347480671705
10111013112012
114309800a170
12196220970b8
13a61237827a
14553198568c
152d4b018de2
hex19d8e5a8cc

111013112012 has 48 divisors (see below), whose sum is σ = 223295933952. Its totient is φ = 47797918080.

The previous prime is 111013111981. The next prime is 111013112017. The reversal of 111013112012 is 210211310111.

It is a super-2 number, since 2×1110131120122 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111013112017) by changing a digit.

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, 428273 + ... + 636744.

It is an arithmetic number, because the mean of its divisors is an integer number (4651998624).

Almost surely, 2111013112012 is an apocalyptic number.

It is an amenable number.

111013112012 is an abundant number, since it is smaller than the sum of its proper divisors (112282821940).

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

111013112012 is a wasteful number, since it uses less digits than its factorization.

111013112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065158 (or 1065156 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111013112012 its reverse (210211310111), we get a palindrome (321224422123).

The spelling of 111013112012 in words is "one hundred eleven billion, thirteen million, one hundred twelve thousand, twelve".

Divisors: 1 2 4 11 22 23 44 46 92 103 206 253 412 506 1012 1133 2266 2369 4532 4738 9476 26059 52118 104236 1065017 2130034 4260068 11715187 23430374 24495391 46860748 48990782 97981564 109696751 219393502 269449301 438787004 538898602 1077797204 1206664261 2413328522 2523025273 4826657044 5046050546 10092101092 27753278003 55506556006 111013112012