102021232221210 has 64 divisors (see below), whose sum is σ = 245631726796032. Its totient is φ = 27118915616256.

The previous prime is 102021232221203. The next prime is 102021232221229. The reversal of 102021232221210 is 12122232120201.

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, 305893662 + ... + 306226998.

It is an arithmetic number, because the mean of its divisors is an integer number (3837995731188).

Almost surely, 2^{102021232221210} is an apocalyptic number.

102021232221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102021232221210 is an abundant number, since it is smaller than the sum of its proper divisors (143610494574822).

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

102021232221210 is a wasteful number, since it uses less digits than its factorization.

102021232221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365847.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 102021232221210 its reverse (12122232120201), we get a palindrome (114143464341411).

The spelling of 102021232221210 in words is "one hundred two trillion, twenty-one billion, two hundred thirty-two million, two hundred twenty-one thousand, two hundred ten".