2122210312100 has 18 divisors (see below), whose sum is σ = 4605196377474. Its totient is φ = 848884124800.

The previous prime is 2122210312097. The next prime is 2122210312141. The reversal of 2122210312100 is 12130122212.

It can be written as a sum of positive squares in 3 ways, for example, as 618761584996 + 1503448727104 = 786614^2 + 1226152^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10611051461 + ... + 10611051660.

It is an arithmetic number, because the mean of its divisors is an integer number (255844243193).

Almost surely, 2^{2122210312100} is an apocalyptic number.

2122210312100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122210312100 is an abundant number, since it is smaller than the sum of its proper divisors (2482986065374).

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

2122210312100 is a wasteful number, since it uses less digits than its factorization.

2122210312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21222103135 (or 21222103128 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2122210312100 its reverse (12130122212), we get a palindrome (2134340434312).

The spelling of 2122210312100 in words is "two trillion, one hundred twenty-two billion, two hundred ten million, three hundred twelve thousand, one hundred".