22221010101100 has 36 divisors (see below), whose sum is σ = 48220234627600. Its totient is φ = 8888285568960.

The previous prime is 22221010101041. The next prime is 22221010101179. The reversal of 22221010101100 is 110101012222.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6260521 + ... + 9145279.

Almost surely, 2^{22221010101100} is an apocalyptic number.

22221010101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221010101100 is an abundant number, since it is smaller than the sum of its proper divisors (25999224526500).

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

22221010101100 is a wasteful number, since it uses less digits than its factorization.

22221010101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961802 (or 2961795 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22221010101100 its reverse (110101012222), we get a palindrome (22331111113322).

The spelling of 22221010101100 in words is "twenty-two trillion, two hundred twenty-one billion, ten million, one hundred one thousand, one hundred".