22221102001100 has 36 divisors (see below), whose sum is σ = 48219996264384. Its totient is φ = 8888403026880.

The previous prime is 22221102001009. The next prime is 22221102001117. The reversal of 22221102001100 is 110020112222.

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, 44259074 + ... + 44758326.

Almost surely, 2^{22221102001100} is an apocalyptic number.

22221102001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221102001100 is an abundant number, since it is smaller than the sum of its proper divisors (25998894263284).

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

22221102001100 is a wasteful number, since it uses less digits than its factorization.

22221102001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944354 (or 944347 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22221102001100 its reverse (110020112222), we get a palindrome (22331122113322).

The spelling of 22221102001100 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred two million, one thousand, one hundred".