210221111120200 has 48 divisors (see below), whose sum is σ = 488940725076480. Its totient is φ = 84058054474560.

The previous prime is 210221111120123. The next prime is 210221111120231. The reversal of 210221111120200 is 2021111122012.

210221111120200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210221111120200² (a number of 29 digits) contains 22 as substring.

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, 189382552 + ... + 190489351.

It is an arithmetic number, because the mean of its divisors is an integer number (10186265105760).

Almost surely, 2^{210221111120200} is an apocalyptic number.

210221111120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210221111120200 is an abundant number, since it is smaller than the sum of its proper divisors (278719613956280).

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

210221111120200 is a wasteful number, since it uses less digits than its factorization.

210221111120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379874686 (or 379874677 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210221111120200 its reverse (2021111122012), we get a palindrome (212242222242212).

The spelling of 210221111120200 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred eleven million, one hundred twenty thousand, two hundred".