2100001222110 has 32 divisors (see below), whose sum is σ = 5498185018752. Its totient is φ = 509091205280.

The previous prime is 2100001222073. The next prime is 2100001222133. The reversal of 2100001222110 is 112221000012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3181819704 + ... + 3181820363.

It is an arithmetic number, because the mean of its divisors is an integer number (171818281836).

Almost surely, 2^{2100001222110} is an apocalyptic number.

2100001222110 is an abundant number, since it is smaller than the sum of its proper divisors (3398183796642).

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

2100001222110 is a wasteful number, since it uses less digits than its factorization.

2100001222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6363640088.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100001222110 its reverse (112221000012), we get a palindrome (2212222222122).

The spelling of 2100001222110 in words is "two trillion, one hundred billion, one million, two hundred twenty-two thousand, one hundred ten".