102112211202220 has 96 divisors (see below), whose sum is σ = 225910127217600. Its totient is φ = 38662868450304.

The previous prime is 102112211202179. The next prime is 102112211202247. The reversal of 102112211202220 is 22202112211201.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3093074434 + ... + 3093107446.

It is an arithmetic number, because the mean of its divisors is an integer number (2353230491850).

Almost surely, 2^{102112211202220} is an apocalyptic number.

102112211202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102112211202220 is an abundant number, since it is smaller than the sum of its proper divisors (123797916015380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102112211202220 is a wasteful number, since it uses less digits than its factorization.

102112211202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39587 (or 39585 counting only the distinct ones).

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

Adding to 102112211202220 its reverse (22202112211201), we get a palindrome (124314323413421).

The spelling of 102112211202220 in words is "one hundred two trillion, one hundred twelve billion, two hundred eleven million, two hundred two thousand, two hundred twenty".