210102022010121 has 16 divisors (see below), whose sum is σ = 280204919390784. Its totient is φ = 140033573152704.

The previous prime is 210102022010119. The next prime is 210102022010201. The reversal of 210102022010121 is 121010220201012.

It is not a de Polignac number, because 210102022010121 - 2¹ = 210102022010119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210102022010121.

It is not an unprimeable number, because it can be changed into a prime (210102020010121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245226135 + ... + 246081411.

It is an arithmetic number, because the mean of its divisors is an integer number (17512807461924).

Almost surely, 2^{210102022010121} is an apocalyptic number.

It is an amenable number.

210102022010121 is a deficient number, since it is larger than the sum of its proper divisors (70102897380663).

210102022010121 is a wasteful number, since it uses less digits than its factorization.

210102022010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875320.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210102022010121 its reverse (121010220201012), we get a palindrome (331112242211133).

The spelling of 210102022010121 in words is "two hundred ten trillion, one hundred two billion, twenty-two million, ten thousand, one hundred twenty-one".