2122331561573 has 2 divisors, whose sum is σ = 2122331561574. Its totient is φ = 2122331561572.

The previous prime is 2122331561461. The next prime is 2122331561587. The reversal of 2122331561573 is 3751651332212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1797320972164 + 325010589409 = 1340642^2 + 570097^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122331561573 - 2¹⁶ = 2122331496037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122331561573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122331561593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061165780786 + 1061165780787.

It is an arithmetic number, because the mean of its divisors is an integer number (1061165780787).

Almost surely, 2^{2122331561573} is an apocalyptic number.

It is an amenable number.

2122331561573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122331561573 is an equidigital number, since it uses as much as digits as its factorization.

2122331561573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 41.

Adding to 2122331561573 its reverse (3751651332212), we get a palindrome (5873982893785).

The spelling of 2122331561573 in words is "two trillion, one hundred twenty-two billion, three hundred thirty-one million, five hundred sixty-one thousand, five hundred seventy-three".