210102012120122 has 16 divisors (see below), whose sum is σ = 320396182204032. Its totient is φ = 103308572832960.

The previous prime is 210102012120079. The next prime is 210102012120127. The reversal of 210102012120122 is 221021210201012.

It is a self number, because there is not a number n which added to its sum of digits gives 210102012120122.

It is not an unprimeable number, because it can be changed into a prime (210102012120127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321948754 + ... + 1322107677.

It is an arithmetic number, because the mean of its divisors is an integer number (20024761387752).

Almost surely, 2^{210102012120122} is an apocalyptic number.

210102012120122 is a deficient number, since it is larger than the sum of its proper divisors (110294170083910).

210102012120122 is a wasteful number, since it uses less digits than its factorization.

210102012120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644057093.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210102012120122 its reverse (221021210201012), we get a palindrome (431123222321134).

The spelling of 210102012120122 in words is "two hundred ten trillion, one hundred two billion, twelve million, one hundred twenty thousand, one hundred twenty-two".