210221200112 has 80 divisors (see below), whose sum is σ = 507904992000. Its totient is φ = 81888568320.

The previous prime is 210221200097. The next prime is 210221200153. The reversal of 210221200112 is 211002122012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7931939 + ... + 7958397.

It is an arithmetic number, because the mean of its divisors is an integer number (6348812400).

Almost surely, 2^210221200112 is an apocalyptic number.

210221200112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210221200112 is an abundant number, since it is smaller than the sum of its proper divisors (297683791888).

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

210221200112 is a wasteful number, since it uses less digits than its factorization.

210221200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32934 (or 32928 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210221200112 its reverse (211002122012), we get a palindrome (421223322124).

The spelling of 210221200112 in words is "two hundred ten billion, two hundred twenty-one million, two hundred thousand, one hundred twelve".