102112221124 has 48 divisors (see below), whose sum is σ = 188036069760. Its totient is φ = 48425611520.

The previous prime is 102112221089. The next prime is 102112221149. The reversal of 102112221124 is 421122211201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20883672 + ... + 20888560.

It is an arithmetic number, because the mean of its divisors is an integer number (3917418120).

Almost surely, 2^102112221124 is an apocalyptic number.

It is an amenable number.

102112221124 is a deficient number, since it is larger than the sum of its proper divisors (85923848636).

102112221124 is a wasteful number, since it uses less digits than its factorization.

102112221124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780 (or 6778 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102112221124 its reverse (421122211201), we get a palindrome (523234432325).

The spelling of 102112221124 in words is "one hundred two billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twenty-four".