2120211102210 has 64 divisors (see below), whose sum is σ = 5438184262272. Its totient is φ = 527158209536.

The previous prime is 2120211102203. The next prime is 2120211102241. The reversal of 2120211102210 is 122011120212.

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 2120211102210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19371957 + ... + 19481096.

It is an arithmetic number, because the mean of its divisors is an integer number (84971629098).

Almost surely, 2^{2120211102210} is an apocalyptic number.

2120211102210 is an abundant number, since it is smaller than the sum of its proper divisors (3317973160062).

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

2120211102210 is a wasteful number, since it uses less digits than its factorization.

2120211102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38853187.

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

Adding to 2120211102210 its reverse (122011120212), we get a palindrome (2242222222422).

The spelling of 2120211102210 in words is "two trillion, one hundred twenty billion, two hundred eleven million, one hundred two thousand, two hundred ten".