2101000202122 has 16 divisors (see below), whose sum is σ = 3162491540712. Its totient is φ = 1046836889280.

The previous prime is 2101000202113. The next prime is 2101000202173. The reversal of 2101000202122 is 2212020001012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2080687966681 + 20312235441 = 1442459^2 + 142521^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8193172 + ... + 8445712.

Almost surely, 2^{2101000202122} is an apocalyptic number.

2101000202122 is a deficient number, since it is larger than the sum of its proper divisors (1061491338590).

2101000202122 is a wasteful number, since it uses less digits than its factorization.

2101000202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267033.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2101000202122 its reverse (2212020001012), we get a palindrome (4313020203134).

The spelling of 2101000202122 in words is "two trillion, one hundred one billion, two hundred two thousand, one hundred twenty-two".