102021021011210 has 48 divisors (see below), whose sum is σ = 213874138558080. Its totient is φ = 34936944769440.

The previous prime is 102021021011137. The next prime is 102021021011251. The reversal of 102021021011210 is 12110120120201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123668846 + ... + 124491065.

It is an arithmetic number, because the mean of its divisors is an integer number (4455711219960).

Almost surely, 2^{102021021011210} is an apocalyptic number.

102021021011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102021021011210 is an abundant number, since it is smaller than the sum of its proper divisors (111853117546870).

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

102021021011210 is a wasteful number, since it uses less digits than its factorization.

102021021011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248160771 (or 248160764 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102021021011210 its reverse (12110120120201), we get a palindrome (114131141131411).

The spelling of 102021021011210 in words is "one hundred two trillion, twenty-one billion, twenty-one million, eleven thousand, two hundred ten".