210221112022102 has 48 divisors (see below), whose sum is σ = 339697987417152. Its totient is φ = 97536618273920.

The previous prime is 210221112022073. The next prime is 210221112022109. The reversal of 210221112022102 is 201220211122012.

It is a self number, because there is not a number n which added to its sum of digits gives 210221112022102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210221112022109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19092933 + ... + 28017535.

It is an arithmetic number, because the mean of its divisors is an integer number (7077041404524).

Almost surely, 2^{210221112022102} is an apocalyptic number.

210221112022102 is a deficient number, since it is larger than the sum of its proper divisors (129476875395050).

210221112022102 is a wasteful number, since it uses less digits than its factorization.

210221112022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8925213 (or 8925196 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210221112022102 its reverse (201220211122012), we get a palindrome (411441323144114).

The spelling of 210221112022102 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred twelve million, twenty-two thousand, one hundred two".