102120211222112 has 24 divisors (see below), whose sum is σ = 201452070015000. Its totient is φ = 50957780742144.

The previous prime is 102120211221989. The next prime is 102120211222219. The reversal of 102120211222112 is 211222112021201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3197635937 + ... + 3197667872.

It is an arithmetic number, because the mean of its divisors is an integer number (8393836250625).

Almost surely, 2^{102120211222112} is an apocalyptic number.

It is an amenable number.

102120211222112 is a deficient number, since it is larger than the sum of its proper divisors (99331858792888).

102120211222112 is an equidigital number, since it uses as much as digits as its factorization.

102120211222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395304318 (or 6395304310 counting only the distinct ones).

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

Adding to 102120211222112 its reverse (211222112021201), we get a palindrome (313342323243313).

The spelling of 102120211222112 in words is "one hundred two trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twelve".