102210312220 has 12 divisors (see below), whose sum is σ = 214641655704. Its totient is φ = 40884124880.

The previous prime is 102210312173. The next prime is 102210312271. The reversal of 102210312220 is 22213012201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102210312194 and 102210312203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555257786 + ... + 2555257825.

It is an arithmetic number, because the mean of its divisors is an integer number (17886804642).

Almost surely, 2^102210312220 is an apocalyptic number.

102210312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102210312220 is an abundant number, since it is smaller than the sum of its proper divisors (112431343484).

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

102210312220 is a wasteful number, since it uses less digits than its factorization.

102210312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110515620 (or 5110515618 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102210312220 its reverse (22213012201), we get a palindrome (124423324421).

The spelling of 102210312220 in words is "one hundred two billion, two hundred ten million, three hundred twelve thousand, two hundred twenty".