22221022210112 has 84 divisors (see below), whose sum is σ = 51099526750704. Its totient is φ = 9506319575040.

The previous prime is 22221022210111. The next prime is 22221022210169. The reversal of 22221022210112 is 21101222012222.

It is not an unprimeable number, because it can be changed into a prime (22221022210111) 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 11 ways as a sum of consecutive naturals, for example, 54405458 + ... + 54812369.

Almost surely, 2^{22221022210112} is an apocalyptic number.

22221022210112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22221022210112 is an abundant number, since it is smaller than the sum of its proper divisors (28878504540592).

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

22221022210112 is a wasteful number, since it uses less digits than its factorization.

22221022210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109217884 (or 109217857 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22221022210112 its reverse (21101222012222), we get a palindrome (43322244222334).

The spelling of 22221022210112 in words is "twenty-two trillion, two hundred twenty-one billion, twenty-two million, two hundred ten thousand, one hundred twelve".