102022111221210 has 48 divisors (see below), whose sum is σ = 272426610513096. Its totient is φ = 26470601829504.

The previous prime is 102022111221193. The next prime is 102022111221221. The reversal of 102022111221210 is 12122111220201.

102022111221210 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 221 + 11 + 221 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 68503812550209 + 33518298671001 = 8276703^2 + 5789499^2 .

It is a super-2 number, since 2×102022111221210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15318631989 + ... + 15318638648.

Almost surely, 2^{102022111221210} is an apocalyptic number.

102022111221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102022111221210 is an abundant number, since it is smaller than the sum of its proper divisors (170404499291886).

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

102022111221210 is a wasteful number, since it uses less digits than its factorization.

102022111221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30637270687 (or 30637270684 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102022111221210 its reverse (12122111220201), we get a palindrome (114144222441411).

The spelling of 102022111221210 in words is "one hundred two trillion, twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, two hundred ten".