102010021211220 has 24 divisors (see below), whose sum is σ = 285628059391584. Its totient is φ = 27202672322976.

The previous prime is 102010021211209. The next prime is 102010021211249. The reversal of 102010021211220 is 22112120010201.

102010021211220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102010021211220.

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, 850083510034 + ... + 850083510153.

It is an arithmetic number, because the mean of its divisors is an integer number (11901169141316).

Almost surely, 2^{102010021211220} is an apocalyptic number.

102010021211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102010021211220 is an abundant number, since it is smaller than the sum of its proper divisors (183618038180364).

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

102010021211220 is a wasteful number, since it uses less digits than its factorization.

102010021211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700167020199 (or 1700167020197 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102010021211220 its reverse (22112120010201), we get a palindrome (124122141221421).

The spelling of 102010021211220 in words is "one hundred two trillion, ten billion, twenty-one million, two hundred eleven thousand, two hundred twenty".