102222212022210 has 48 divisors (see below), whose sum is σ = 285387726629376. Its totient is φ = 23365077033312.

The previous prime is 102222212022209. The next prime is 102222212022251. The reversal of 102222212022210 is 12220212222201.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 34769458402 + ... + 34769461341.

It is an arithmetic number, because the mean of its divisors is an integer number (5945577638112).

Almost surely, 2^{102222212022210} is an apocalyptic number.

102222212022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102222212022210 is an abundant number, since it is smaller than the sum of its proper divisors (183165514607166).

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

102222212022210 is a wasteful number, since it uses less digits than its factorization.

102222212022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69538919767 (or 69538919760 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 102222212022210 its reverse (12220212222201), we get a palindrome (114442424244411).

The spelling of 102222212022210 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twelve million, twenty-two thousand, two hundred ten".