22120021100202 has 64 divisors (see below), whose sum is σ = 44960909220864. Its totient is φ = 7253726325120.

The previous prime is 22120021100167. The next prime is 22120021100249. The reversal of 22120021100202 is 20200112002122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517684563 + ... + 517727289.

It is an arithmetic number, because the mean of its divisors is an integer number (702514206576).

Almost surely, 2^{22120021100202} is an apocalyptic number.

22120021100202 is an abundant number, since it is smaller than the sum of its proper divisors (22840888120662).

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

22120021100202 is a wasteful number, since it uses less digits than its factorization.

22120021100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45803.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22120021100202 its reverse (20200112002122), we get a palindrome (42320133102324).

The spelling of 22120021100202 in words is "twenty-two trillion, one hundred twenty billion, twenty-one million, one hundred thousand, two hundred two".