22100121022210 has 128 divisors (see below), whose sum is σ = 49988798576640. Its totient is φ = 6833839833600.

The previous prime is 22100121022193. The next prime is 22100121022267. The reversal of 22100121022210 is 1222012100122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 381158742 + ... + 381216718.

It is an arithmetic number, because the mean of its divisors is an integer number (390537488880).

Almost surely, 2^{22100121022210} is an apocalyptic number.

22100121022210 is an abundant number, since it is smaller than the sum of its proper divisors (27888677554430).

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

22100121022210 is a wasteful number, since it uses less digits than its factorization.

22100121022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61912.

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

Adding to 22100121022210 its reverse (1222012100122), we get a palindrome (23322133122332).

The spelling of 22100121022210 in words is "twenty-two trillion, one hundred billion, one hundred twenty-one million, twenty-two thousand, two hundred ten".