102102312210 has 32 divisors (see below), whose sum is σ = 245367608832. Its totient is φ = 27191498880.

The previous prime is 102102312209. The next prime is 102102312269. The reversal of 102102312210 is 12213201201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102102312210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2213314 + ... + 2258973.

It is an arithmetic number, because the mean of its divisors is an integer number (7667737776).

Almost surely, 2^102102312210 is an apocalyptic number.

102102312210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102102312210 is an abundant number, since it is smaller than the sum of its proper divisors (143265296622).

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

102102312210 is a wasteful number, since it uses less digits than its factorization.

102102312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473058.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102102312210 its reverse (12213201201), we get a palindrome (114315513411).

The spelling of 102102312210 in words is "one hundred two billion, one hundred two million, three hundred twelve thousand, two hundred ten".