2120102122203 has 12 divisors (see below), whose sum is σ = 3297936634720. Its totient is φ = 1304678228976.

The previous prime is 2120102122157. The next prime is 2120102122211. The reversal of 2120102122203 is 3022212010212.

It is not a de Polignac number, because 2120102122203 - 2²¹ = 2120100025051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120102122213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9060265363 + ... + 9060265596.

Almost surely, 2^{2120102122203} is an apocalyptic number.

2120102122203 is a deficient number, since it is larger than the sum of its proper divisors (1177834512517).

2120102122203 is a wasteful number, since it uses less digits than its factorization.

2120102122203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18120530978 (or 18120530975 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2120102122203 its reverse (3022212010212), we get a palindrome (5142314132415).

The spelling of 2120102122203 in words is "two trillion, one hundred twenty billion, one hundred two million, one hundred twenty-two thousand, two hundred three".