2121322254108 has 24 divisors (see below), whose sum is σ = 4950363158160. Its totient is φ = 707020099200.

The previous prime is 2121322254097. The next prime is 2121322254151. The reversal of 2121322254108 is 8014522231212.

It is a super-3 number, since 3×2121322254108³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10813593 + ... + 11008016.

It is an arithmetic number, because the mean of its divisors is an integer number (206265131590).

Almost surely, 2^{2121322254108} is an apocalyptic number.

It is an amenable number.

2121322254108 is an abundant number, since it is smaller than the sum of its proper divisors (2829040904052).

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

2121322254108 is a wasteful number, since it uses less digits than its factorization.

2121322254108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21829717 (or 21829715 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 2121322254108 in words is "two trillion, one hundred twenty-one billion, three hundred twenty-two million, two hundred fifty-four thousand, one hundred eight".