201222222221200 has 60 divisors (see below), whose sum is σ = 508880409373360. Its totient is φ = 76252631575680.

The previous prime is 201222222221191. The next prime is 201222222221347. The reversal of 201222222221200 is 2122222222102.

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, 13238296494 + ... + 13238311693.

Almost surely, 2^{201222222221200} is an apocalyptic number.

201222222221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201222222221200 is an abundant number, since it is smaller than the sum of its proper divisors (307658187152160).

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

201222222221200 is a wasteful number, since it uses less digits than its factorization.

201222222221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26476608224 (or 26476608213 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 201222222221200 its reverse (2122222222102), we get a palindrome (203344444443302).

The spelling of 201222222221200 in words is "two hundred one trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred".