2021322202989 has 16 divisors (see below), whose sum is σ = 2812320056832. Its totient is φ = 1288938145968.

The previous prime is 2021322202979. The next prime is 2021322202993. The reversal of 2021322202989 is 9892022231202.

It is not a de Polignac number, because 2021322202989 - 2¹¹ = 2021322200941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2021322202989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021322202909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4810734 + ... + 5214000.

It is an arithmetic number, because the mean of its divisors is an integer number (175770003552).

Almost surely, 2^{2021322202989} is an apocalyptic number.

It is an amenable number.

2021322202989 is a deficient number, since it is larger than the sum of its proper divisors (790997853843).

2021322202989 is a wasteful number, since it uses less digits than its factorization.

2021322202989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475936.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 2021322202989 in words is "two trillion, twenty-one billion, three hundred twenty-two million, two hundred two thousand, nine hundred eighty-nine".