201121102223200 has 72 divisors (see below), whose sum is σ = 491009874841080. Its totient is φ = 80444674944000.

The previous prime is 201121102223183. The next prime is 201121102223281. The reversal of 201121102223200 is 2322201121102.

It is a congruent number.

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, 11247211 + ... + 22994389.

It is an arithmetic number, because the mean of its divisors is an integer number (6819581595015).

Almost surely, 2^{201121102223200} is an apocalyptic number.

201121102223200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201121102223200 is an abundant number, since it is smaller than the sum of its proper divisors (289888772617880).

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

201121102223200 is a wasteful number, since it uses less digits than its factorization.

201121102223200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11768600 (or 11768587 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201121102223200 its reverse (2322201121102), we get a palindrome (203443303344302).

The spelling of 201121102223200 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred two million, two hundred twenty-three thousand, two hundred".