2120210112210 has 16 divisors (see below), whose sum is σ = 5088504269376. Its totient is φ = 565389363248.

The previous prime is 2120210112179. The next prime is 2120210112217. The reversal of 2120210112210 is 122110120212.

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 2120210112210.

It is not an unprimeable number, because it can be changed into a prime (2120210112217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35336835174 + ... + 35336835233.

It is an arithmetic number, because the mean of its divisors is an integer number (318031516836).

Almost surely, 2^{2120210112210} is an apocalyptic number.

2120210112210 is an abundant number, since it is smaller than the sum of its proper divisors (2968294157166).

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

2120210112210 is a wasteful number, since it uses less digits than its factorization.

2120210112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70673670417.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2120210112210 its reverse (122110120212), we get a palindrome (2242320232422).

The spelling of 2120210112210 in words is "two trillion, one hundred twenty billion, two hundred ten million, one hundred twelve thousand, two hundred ten".