102020210110 has 64 divisors (see below), whose sum is σ = 239308981632. Its totient is φ = 30388432896.

The previous prime is 102020210099. The next prime is 102020210119. The reversal of 102020210110 is 11012020201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020210119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3281887 + ... + 3312826.

It is an arithmetic number, because the mean of its divisors is an integer number (3739202838).

Almost surely, 2^102020210110 is an apocalyptic number.

102020210110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102020210110 is an abundant number, since it is smaller than the sum of its proper divisors (137288771522).

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

102020210110 is a wasteful number, since it uses less digits than its factorization.

102020210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6594757.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102020210110 its reverse (11012020201), we get a palindrome (113032230311).

The spelling of 102020210110 in words is "one hundred two billion, twenty million, two hundred ten thousand, one hundred ten".