201222100120100 has 36 divisors (see below), whose sum is σ = 438055982914368. Its totient is φ = 80230033476000.

The previous prime is 201222100120057. The next prime is 201222100120127. The reversal of 201222100120100 is 1021001222102.

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, 3235050896 + ... + 3235113095.

Almost surely, 2^{201222100120100} is an apocalyptic number.

201222100120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201222100120100 is an abundant number, since it is smaller than the sum of its proper divisors (236833882794268).

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

201222100120100 is a wasteful number, since it uses less digits than its factorization.

201222100120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470164316 (or 6470164309 counting only the distinct ones).

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

Adding to 201222100120100 its reverse (1021001222102), we get a palindrome (202243101342202).

The spelling of 201222100120100 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred million, one hundred twenty thousand, one hundred".