22221101220010 has 32 divisors (see below), whose sum is σ = 49867614168192. Its totient is φ = 6926057522880.

The previous prime is 22221101219987. The next prime is 22221101220011. The reversal of 22221101220010 is 1002210112222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22221101220011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14429285737 + ... + 14429287276.

It is an arithmetic number, because the mean of its divisors is an integer number (1558362942756).

Almost surely, 2^{22221101220010} is an apocalyptic number.

22221101220010 is an abundant number, since it is smaller than the sum of its proper divisors (27646512948182).

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

22221101220010 is a wasteful number, since it uses less digits than its factorization.

22221101220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28858573038.

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

Adding to 22221101220010 its reverse (1002210112222), we get a palindrome (23223311332232).

The spelling of 22221101220010 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred one million, two hundred twenty thousand, ten".