210000101100120 has 96 divisors (see below), whose sum is σ = 682509697412400. Its totient is φ = 55999258235136.

The previous prime is 210000101100089. The next prime is 210000101100161. The reversal of 210000101100120 is 21001101000012.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22501266 + ... + 30435294.

Almost surely, 2^{210000101100120} is an apocalyptic number.

210000101100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210000101100120 is an abundant number, since it is smaller than the sum of its proper divisors (472509596312280).

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

210000101100120 is a wasteful number, since it uses less digits than its factorization.

210000101100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8007569 (or 8007562 counting only the distinct ones).

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

Adding to 210000101100120 its reverse (21001101000012), we get a palindrome (231001202100132).

The spelling of 210000101100120 in words is "two hundred ten trillion, one hundred one million, one hundred thousand, one hundred twenty".