210221110000202 has 24 divisors (see below), whose sum is σ = 368416195401060. Its totient is φ = 89701334513280.

The previous prime is 210221110000193. The next prime is 210221110000243. The reversal of 210221110000202 is 202000011122012.

It can be written as a sum of positive squares in 2 ways, for example, as 210208271070721 + 12838929481 = 14498561^2 + 113309^2 .

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

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, 4683631199 + ... + 4683676082.

Almost surely, 2^{210221110000202} is an apocalyptic number.

210221110000202 is a deficient number, since it is larger than the sum of its proper divisors (158195085400858).

210221110000202 is a wasteful number, since it uses less digits than its factorization.

210221110000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9367307526 (or 9367307519 counting only the distinct ones).

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

Adding to 210221110000202 its reverse (202000011122012), we get a palindrome (412221121122214).

The spelling of 210221110000202 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred ten million, two hundred two", and thus it is an aban number.