210221011112202 has 48 divisors (see below), whose sum is σ = 474375691520640. Its totient is φ = 69772924966752.

The previous prime is 210221011112179. The next prime is 210221011112213. The reversal of 210221011112202 is 202211110122012.

210221011112202 is a `hidden beast` number, since 210 + 2 + 210 + 11 + 11 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 928113202 + ... + 928339677.

It is an arithmetic number, because the mean of its divisors is an integer number (9882826906680).

Almost surely, 2^{210221011112202} is an apocalyptic number.

210221011112202 is an abundant number, since it is smaller than the sum of its proper divisors (264154680408438).

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

210221011112202 is a wasteful number, since it uses less digits than its factorization.

210221011112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856453129 (or 1856453117 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210221011112202 its reverse (202211110122012), we get a palindrome (412432121234214).

The spelling of 210221011112202 in words is "two hundred ten trillion, two hundred twenty-one billion, eleven million, one hundred twelve thousand, two hundred two".