221112100200 has 96 divisors (see below), whose sum is σ = 695678196960. Its totient is φ = 58083168000.

The previous prime is 221112100169. The next prime is 221112100219. The reversal of 221112100200 is 2001211122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2709951 + ... + 2790350.

It is an arithmetic number, because the mean of its divisors is an integer number (7246647885).

Almost surely, 2^221112100200 is an apocalyptic number.

221112100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221112100200 is an abundant number, since it is smaller than the sum of its proper divisors (474566096760).

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

221112100200 is a wasteful number, since it uses less digits than its factorization.

221112100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500387 (or 5500378 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221112100200 its reverse (2001211122), we get a palindrome (223113311322).

The spelling of 221112100200 in words is "two hundred twenty-one billion, one hundred twelve million, one hundred thousand, two hundred".