102112121011112 has 8 divisors (see below), whose sum is σ = 191460226895850. Its totient is φ = 51056060505552.

The previous prime is 102112121011097. The next prime is 102112121011157. The reversal of 102112121011112 is 211110121211201.

It can be written as a sum of positive squares in only one way, i.e., 95414097504196 + 6698023506916 = 9768014^2 + 2588054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6382007563187 + ... + 6382007563202.

Almost surely, 2^{102112121011112} is an apocalyptic number.

It is an amenable number.

102112121011112 is a deficient number, since it is larger than the sum of its proper divisors (89348105884738).

102112121011112 is a wasteful number, since it uses less digits than its factorization.

102112121011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12764015126395 (or 12764015126391 counting only the distinct ones).

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

Adding to 102112121011112 its reverse (211110121211201), we get a palindrome (313222242222313).

The spelling of 102112121011112 in words is "one hundred two trillion, one hundred twelve billion, one hundred twenty-one million, eleven thousand, one hundred twelve".