102112020210 has 32 divisors (see below), whose sum is σ = 251692333632. Its totient is φ = 26493929280.

The previous prime is 102112020209. The next prime is 102112020217. The reversal of 102112020210 is 12020211201.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102112020217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45995296 + ... + 45997515.

It is an arithmetic number, because the mean of its divisors is an integer number (7865385426).

Almost surely, 2^102112020210 is an apocalyptic number.

102112020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102112020210 is an abundant number, since it is smaller than the sum of its proper divisors (149580313422).

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

102112020210 is a wasteful number, since it uses less digits than its factorization.

102112020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91992858.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102112020210 its reverse (12020211201), we get a palindrome (114132231411).

The spelling of 102112020210 in words is "one hundred two billion, one hundred twelve million, twenty thousand, two hundred ten".