22100100212122 has 48 divisors (see below), whose sum is σ = 34052300156160. Its totient is φ = 10757117073920.

The previous prime is 22100100212111. The next prime is 22100100212143. The reversal of 22100100212122 is 22121200100122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22100100212096 and 22100100212105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5355001623 + ... + 5355005749.

It is an arithmetic number, because the mean of its divisors is an integer number (709422919920).

Almost surely, 2^{22100100212122} is an apocalyptic number.

22100100212122 is a deficient number, since it is larger than the sum of its proper divisors (11952199944038).

22100100212122 is a wasteful number, since it uses less digits than its factorization.

22100100212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7287 (or 7246 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22100100212122 its reverse (22121200100122), we get a palindrome (44221300312244).

The spelling of 22100100212122 in words is "twenty-two trillion, one hundred billion, one hundred million, two hundred twelve thousand, one hundred twenty-two".