21110102202202 has 16 divisors (see below), whose sum is σ = 34102660999680. Its totient is φ = 9742630758192.

The previous prime is 21110102202199. The next prime is 21110102202221. The reversal of 21110102202202 is 20220220101112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20032018 + ... + 21059485.

It is an arithmetic number, because the mean of its divisors is an integer number (2131416312480).

Almost surely, 2^{21110102202202} is an apocalyptic number.

21110102202202 is a deficient number, since it is larger than the sum of its proper divisors (12992558797478).

21110102202202 is a wasteful number, since it uses less digits than its factorization.

21110102202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41111277.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21110102202202 its reverse (20220220101112), we get a palindrome (41330322303314).

The spelling of 21110102202202 in words is "twenty-one trillion, one hundred ten billion, one hundred two million, two hundred two thousand, two hundred two".