201022212211100 has 72 divisors (see below), whose sum is σ = 510128925575808. Its totient is φ = 67319066404800.

The previous prime is 201022212211091. The next prime is 201022212211103. The reversal of 201022212211100 is 1112212220102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201022212211103) 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, 3339209306 + ... + 3339269505.

Almost surely, 2^{201022212211100} is an apocalyptic number.

201022212211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201022212211100 is an abundant number, since it is smaller than the sum of its proper divisors (309106713364708).

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

201022212211100 is a wasteful number, since it uses less digits than its factorization.

201022212211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6678478875 (or 6678478868 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201022212211100 its reverse (1112212220102), we get a palindrome (202134424431202).

The spelling of 201022212211100 in words is "two hundred one trillion, twenty-two billion, two hundred twelve million, two hundred eleven thousand, one hundred".