111012111230212 has 24 divisors (see below), whose sum is σ = 194407485229440. Its totient is φ = 55467118373760.

The previous prime is 111012111230201. The next prime is 111012111230257. The reversal of 111012111230212 is 212032111210111.

It is a super-2 number, since 2×111012111230212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111012111230212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157511628 + ... + 158214844.

It is an arithmetic number, because the mean of its divisors is an integer number (8100311884560).

Almost surely, 2^{111012111230212} is an apocalyptic number.

It is an amenable number.

111012111230212 is a deficient number, since it is larger than the sum of its proper divisors (83395373999228).

111012111230212 is a wasteful number, since it uses less digits than its factorization.

111012111230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730851 (or 730849 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 111012111230212 its reverse (212032111210111), we get a palindrome (323044222440323).

The spelling of 111012111230212 in words is "one hundred eleven trillion, twelve billion, one hundred eleven million, two hundred thirty thousand, two hundred twelve".