2151202342122 has 48 divisors (see below), whose sum is σ = 4894566318720. Its totient is φ = 681521851296.

The previous prime is 2151202342067. The next prime is 2151202342183. The reversal of 2151202342122 is 2212432021512.

2151202342122 is a `hidden beast` number, since 2 + 1 + 512 + 0 + 23 + 4 + 2 + 122 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16483222 + ... + 16613217.

It is an arithmetic number, because the mean of its divisors is an integer number (101970131640).

Almost surely, 2^{2151202342122} is an apocalyptic number.

2151202342122 is an abundant number, since it is smaller than the sum of its proper divisors (2743363976598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2151202342122 is a wasteful number, since it uses less digits than its factorization.

2151202342122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33096627 (or 33096624 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 2151202342122 its reverse (2212432021512), we get a palindrome (4363634363634).

The spelling of 2151202342122 in words is "two trillion, one hundred fifty-one billion, two hundred two million, three hundred forty-two thousand, one hundred twenty-two".