111012211233 has 64 divisors (see below), whose sum is σ = 209812838400. Its totient is φ = 56327503680.

The previous prime is 111012211181. The next prime is 111012211253. The reversal of 111012211233 is 332112210111.

It is not a de Polignac number, because 111012211233 - 2⁶ = 111012211169 is a prime.

It is a super-2 number, since 2×111012211233² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111012211253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 531498 + ... + 710291.

It is an arithmetic number, because the mean of its divisors is an integer number (3278325600).

Almost surely, 2^111012211233 is an apocalyptic number.

It is an amenable number.

111012211233 is a deficient number, since it is larger than the sum of its proper divisors (98800627167).

111012211233 is a wasteful number, since it uses less digits than its factorization.

111012211233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241859 (or 1241853 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111012211233 its reverse (332112210111), we get a palindrome (443124421344).

The spelling of 111012211233 in words is "one hundred eleven billion, twelve million, two hundred eleven thousand, two hundred thirty-three".