210120202002122 has 8 divisors (see below), whose sum is σ = 328883794438176. Its totient is φ = 100492270522732.

The previous prime is 210120202002107. The next prime is 210120202002173. The reversal of 210120202002122 is 221200202021012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 210120202002122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2283915239108 + ... + 2283915239199.

It is an arithmetic number, because the mean of its divisors is an integer number (41110474304772).

Almost surely, 2^{210120202002122} is an apocalyptic number.

210120202002122 is a deficient number, since it is larger than the sum of its proper divisors (118763592436054).

210120202002122 is a wasteful number, since it uses less digits than its factorization.

210120202002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567830478332.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210120202002122 its reverse (221200202021012), we get a palindrome (431320404023134).

The spelling of 210120202002122 in words is "two hundred ten trillion, one hundred twenty billion, two hundred two million, two thousand, one hundred twenty-two".