111210212111012 has 24 divisors (see below), whose sum is σ = 224388746566656. Its totient is φ = 47239736116608.

The previous prime is 111210212111003. The next prime is 111210212111027. The reversal of 111210212111012 is 210111212012111.

It is a super-2 number, since 2×111210212111012² (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 7 ways as a sum of consecutive naturals, for example, 17574303428 + ... + 17574309755.

It is an arithmetic number, because the mean of its divisors is an integer number (9349531106944).

Almost surely, 2^{111210212111012} is an apocalyptic number.

It is an amenable number.

111210212111012 is an abundant number, since it is smaller than the sum of its proper divisors (113178534455644).

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

111210212111012 is a wasteful number, since it uses less digits than its factorization.

111210212111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35148613307 (or 35148613305 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111210212111012 its reverse (210111212012111), we get a palindrome (321321424123123).

The spelling of 111210212111012 in words is "one hundred eleven trillion, two hundred ten billion, two hundred twelve million, one hundred eleven thousand, twelve".