111201102112012 has 24 divisors (see below), whose sum is σ = 217470891495312. Its totient is φ = 49313127321600.

The previous prime is 111201102111943. The next prime is 111201102112021. The reversal of 111201102112012 is 210211201102111.

It is a super-2 number, since 2×111201102112012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30820702773 + ... + 30820706380.

It is an arithmetic number, because the mean of its divisors is an integer number (9061287145638).

Almost surely, 2^{111201102112012} is an apocalyptic number.

It is an amenable number.

111201102112012 is a deficient number, since it is larger than the sum of its proper divisors (106269789383300).

111201102112012 is a wasteful number, since it uses less digits than its factorization.

111201102112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61641409209 (or 61641409207 counting only the distinct ones).

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

Adding to 111201102112012 its reverse (210211201102111), we get a palindrome (321412303214123).

The spelling of 111201102112012 in words is "one hundred eleven trillion, two hundred one billion, one hundred two million, one hundred twelve thousand, twelve".