22121120202 has 16 divisors (see below), whose sum is σ = 44357760000. Its totient is φ = 7354453472.

The previous prime is 22121120167. The next prime is 22121120207. The reversal of 22121120202 is 20202112122.

It is not an unprimeable number, because it can be changed into a prime (22121120207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4810827 + ... + 4815422.

It is an arithmetic number, because the mean of its divisors is an integer number (2772360000).

Almost surely, 2^22121120202 is an apocalyptic number.

22121120202 is an abundant number, since it is smaller than the sum of its proper divisors (22236639798).

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

22121120202 is a wasteful number, since it uses less digits than its factorization.

22121120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9626637.

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

Adding to 22121120202 its reverse (20202112122), we get a palindrome (42323232324).

The spelling of 22121120202 in words is "twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, two hundred two".