210022200122221 has 16 divisors (see below), whose sum is σ = 225514098069120. Its totient is φ = 194879068034560.

The previous prime is 210022200122201. The next prime is 210022200122237. The reversal of 210022200122221 is 122221002220012.

It is a cyclic number.

It is not a de Polignac number, because 210022200122221 - 2⁷ = 210022200122093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022200122201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47036385 + ... + 51307561.

It is an arithmetic number, because the mean of its divisors is an integer number (14094631129320).

Almost surely, 2^{210022200122221} is an apocalyptic number.

It is an amenable number.

210022200122221 is a deficient number, since it is larger than the sum of its proper divisors (15491897946899).

210022200122221 is a wasteful number, since it uses less digits than its factorization.

210022200122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312004.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 210022200122221 its reverse (122221002220012), we get a palindrome (332243202342233).

The spelling of 210022200122221 in words is "two hundred ten trillion, twenty-two billion, two hundred million, one hundred twenty-two thousand, two hundred twenty-one".