102120211021112 has 16 divisors (see below), whose sum is σ = 202738654233360. Its totient is φ = 48056569892224.

The previous prime is 102120211021033. The next prime is 102120211021219. The reversal of 102120211021112 is 211120112021201.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 375441952148 + ... + 375441952419.

It is an arithmetic number, because the mean of its divisors is an integer number (12671165889585).

Almost surely, 2^{102120211021112} is an apocalyptic number.

It is an amenable number.

102120211021112 is a deficient number, since it is larger than the sum of its proper divisors (100618443212248).

102120211021112 is a wasteful number, since it uses less digits than its factorization.

102120211021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750883904590 (or 750883904586 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102120211021112 its reverse (211120112021201), we get a palindrome (313240323042313).

The spelling of 102120211021112 in words is "one hundred two trillion, one hundred twenty billion, two hundred eleven million, twenty-one thousand, one hundred twelve".