322020561665101 has 16 divisors (see below), whose sum is σ = 347684254134448. Its totient is φ = 296484506841600.

The previous prime is 322020561665093. The next prime is 322020561665203. The reversal of 322020561665101 is 101566165020223.

It can be written as a sum of positive squares in 8 ways, for example, as 619210036201 + 321401351628900 = 786899^2 + 17927670^2 .

It is a cyclic number.

It is not a de Polignac number, because 322020561665101 - 2³ = 322020561665093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322020561662101) 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, 91485481 + ... + 94940161.

It is an arithmetic number, because the mean of its divisors is an integer number (21730265883403).

Almost surely, 2^{322020561665101} is an apocalyptic number.

It is an amenable number.

322020561665101 is a deficient number, since it is larger than the sum of its proper divisors (25663692469347).

322020561665101 is a wasteful number, since it uses less digits than its factorization.

322020561665101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473152.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 322020561665101 in words is "three hundred twenty-two trillion, twenty billion, five hundred sixty-one million, six hundred sixty-five thousand, one hundred one".