22212112101100 has 18 divisors (see below), whose sum is σ = 48200283259604. Its totient is φ = 8884844840400.

The previous prime is 22212112101097. The next prime is 22212112101139. The reversal of 22212112101100 is 110121121222.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111060560406 + ... + 111060560605.

Almost surely, 2^{22212112101100} is an apocalyptic number.

22212112101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212112101100 is an abundant number, since it is smaller than the sum of its proper divisors (25988171158504).

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

22212112101100 is a wasteful number, since it uses less digits than its factorization.

22212112101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222121121025 (or 222121121018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22212112101100 its reverse (110121121222), we get a palindrome (22322233222322).

The spelling of 22212112101100 in words is "twenty-two trillion, two hundred twelve billion, one hundred twelve million, one hundred one thousand, one hundred".