111110221112012 has 6 divisors (see below), whose sum is σ = 194442886946028. Its totient is φ = 55555110556004.

The previous prime is 111110221111951. The next prime is 111110221112039. The reversal of 111110221112012 is 210211122011111.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13888777638998 + ... + 13888777639005.

It is an arithmetic number, because the mean of its divisors is an integer number (32407147824338).

Almost surely, 2^{111110221112012} is an apocalyptic number.

It is an amenable number.

111110221112012 is a deficient number, since it is larger than the sum of its proper divisors (83332665834016).

111110221112012 is a wasteful number, since it uses less digits than its factorization.

111110221112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27777555278007 (or 27777555278005 counting only the distinct ones).

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

Adding to 111110221112012 its reverse (210211122011111), we get a palindrome (321321343123123).

The spelling of 111110221112012 in words is "one hundred eleven trillion, one hundred ten billion, two hundred twenty-one million, one hundred twelve thousand, twelve".