22100210122220 has 48 divisors (see below), whose sum is σ = 47197750027680. Its totient is φ = 8690124862464.

The previous prime is 22100210122189. The next prime is 22100210122271. The reversal of 22100210122220 is 2222101200122.

It is a happy 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, 151529972 + ... + 151675748.

It is an arithmetic number, because the mean of its divisors is an integer number (983286458910).

Almost surely, 2^{22100210122220} is an apocalyptic number.

22100210122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100210122220 is an abundant number, since it is smaller than the sum of its proper divisors (25097539905460).

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

22100210122220 is a wasteful number, since it uses less digits than its factorization.

22100210122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274322 (or 274320 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22100210122220 its reverse (2222101200122), we get a palindrome (24322311322342).

The spelling of 22100210122220 in words is "twenty-two trillion, one hundred billion, two hundred ten million, one hundred twenty-two thousand, two hundred twenty".