111013123311212 has 48 divisors (see below), whose sum is σ = 210264369890400. Its totient is φ = 51111882339840.

The previous prime is 111013123311199. The next prime is 111013123311221. The reversal of 111013123311212 is 212113321310111.

It is a super-2 number, since 2×111013123311212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65382623 + ... + 67059030.

It is an arithmetic number, because the mean of its divisors is an integer number (4380507706050).

Almost surely, 2^{111013123311212} is an apocalyptic number.

It is an amenable number.

111013123311212 is a deficient number, since it is larger than the sum of its proper divisors (99251246579188).

111013123311212 is a wasteful number, since it uses less digits than its factorization.

111013123311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132441986 (or 132441984 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 111013123311212 its reverse (212113321310111), we get a palindrome (323126444621323).

The spelling of 111013123311212 in words is "one hundred eleven trillion, thirteen billion, one hundred twenty-three million, three hundred eleven thousand, two hundred twelve".