210100120110 has 32 divisors (see below), whose sum is σ = 560266987680. Its totient is φ = 56026698624.

The previous prime is 210100120079. The next prime is 210100120151. The reversal of 210100120110 is 11021001012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 210100120092 and 210100120101.

It is a congruent number.

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, 389074027 + ... + 389074566.

It is an arithmetic number, because the mean of its divisors is an integer number (17508343365).

Almost surely, 2^210100120110 is an apocalyptic number.

210100120110 is an abundant number, since it is smaller than the sum of its proper divisors (350166867570).

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

210100120110 is a wasteful number, since it uses less digits than its factorization.

210100120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778148609 (or 778148603 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 210100120110 its reverse (11021001012), we get a palindrome (221121121122).

The spelling of 210100120110 in words is "two hundred ten billion, one hundred million, one hundred twenty thousand, one hundred ten".