102111122222012 has 24 divisors (see below), whose sum is σ = 185633698293120. Its totient is φ = 49093903010880.

The previous prime is 102111122221987. The next prime is 102111122222023. The reversal of 102111122222012 is 210222221111201.

It is a congruent number.

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, 2622518087 + ... + 2622557022.

It is an arithmetic number, because the mean of its divisors is an integer number (7734737428880).

Almost surely, 2^{102111122222012} is an apocalyptic number.

It is an amenable number.

102111122222012 is a deficient number, since it is larger than the sum of its proper divisors (83522576071108).

102111122222012 is a wasteful number, since it uses less digits than its factorization.

102111122222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245075301 (or 5245075299 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102111122222012 its reverse (210222221111201), we get a palindrome (312333343333213).

The spelling of 102111122222012 in words is "one hundred two trillion, one hundred eleven billion, one hundred twenty-two million, two hundred twenty-two thousand, twelve".