2100122120211 has 16 divisors (see below), whose sum is σ = 3027203059200. Its totient is φ = 1290544459488.

The previous prime is 2100122120203. The next prime is 2100122120279. The reversal of 2100122120211 is 1120212210012.

It is not a de Polignac number, because 2100122120211 - 2³ = 2100122120203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100122128211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497893131 + ... + 497897348.

It is an arithmetic number, because the mean of its divisors is an integer number (189200191200).

Almost surely, 2^{2100122120211} is an apocalyptic number.

2100122120211 is a deficient number, since it is larger than the sum of its proper divisors (927080938989).

2100122120211 is a wasteful number, since it uses less digits than its factorization.

2100122120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995790538.

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

Adding to 2100122120211 its reverse (1120212210012), we get a palindrome (3220334330223).

The spelling of 2100122120211 in words is "two trillion, one hundred billion, one hundred twenty-two million, one hundred twenty thousand, two hundred eleven".