22201012120100 has 72 divisors (see below), whose sum is σ = 53275793860128. Its totient is φ = 7962504940800.

The previous prime is 22201012120097. The next prime is 22201012120103. The reversal of 22201012120100 is 102121010222.

It is an interprime number because it is at equal distance from previous prime (22201012120097) and next prime (22201012120103).

It is not an unprimeable number, because it can be changed into a prime (22201012120103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138157634 + ... + 138318233.

Almost surely, 2^{22201012120100} is an apocalyptic number.

22201012120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201012120100 is an abundant number, since it is smaller than the sum of its proper divisors (31074781740028).

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

22201012120100 is a wasteful number, since it uses less digits than its factorization.

22201012120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276475965 (or 276475958 counting only the distinct ones).

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

Adding to 22201012120100 its reverse (102121010222), we get a palindrome (22303133130322).

The spelling of 22201012120100 in words is "twenty-two trillion, two hundred one billion, twelve million, one hundred twenty thousand, one hundred".