2128921944322 has 8 divisors (see below), whose sum is σ = 3206744352000. Its totient is φ = 1060007160324.

The previous prime is 2128921944301. The next prime is 2128921944371. The reversal of 2128921944322 is 2234491298212.

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

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, 2226905322 + ... + 2226906277.

It is an arithmetic number, because the mean of its divisors is an integer number (400843044000).

Almost surely, 2^{2128921944322} is an apocalyptic number.

2128921944322 is a deficient number, since it is larger than the sum of its proper divisors (1077822407678).

2128921944322 is a wasteful number, since it uses less digits than its factorization.

2128921944322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453811840.

The product of its digits is 995328, while the sum is 49.

The spelling of 2128921944322 in words is "two trillion, one hundred twenty-eight billion, nine hundred twenty-one million, nine hundred forty-four thousand, three hundred twenty-two".