221112020200 has 48 divisors (see below), whose sum is σ = 514305207360. Its totient is φ = 88407000000.

The previous prime is 221112020179. The next prime is 221112020249. The reversal of 221112020200 is 2020211122.

It is a happy 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, 235075 + ... + 705325.

It is an arithmetic number, because the mean of its divisors is an integer number (10714691820).

Almost surely, 2^221112020200 is an apocalyptic number.

221112020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221112020200 is an abundant number, since it is smaller than the sum of its proper divisors (293193187160).

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

221112020200 is a wasteful number, since it uses less digits than its factorization.

221112020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472618 (or 472609 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221112020200 its reverse (2020211122), we get a palindrome (223132231322).

The spelling of 221112020200 in words is "two hundred twenty-one billion, one hundred twelve million, twenty thousand, two hundred".