2113321553522 has 16 divisors (see below), whose sum is σ = 3283286405400. Its totient is φ = 1018981514880.

The previous prime is 2113321553509. The next prime is 2113321553573. The reversal of 2113321553522 is 2253551233112.

It can be written as a sum of positive squares in 4 ways, for example, as 1943428376761 + 169893176761 = 1394069^2 + 412181^2 .

It is a super-2 number, since 2×2113321553522² (a number of 25 digits) contains 22 as substring.

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, 22142747 + ... + 22237982.

Almost surely, 2^{2113321553522} is an apocalyptic number.

2113321553522 is a deficient number, since it is larger than the sum of its proper divisors (1169964851878).

2113321553522 is a wasteful number, since it uses less digits than its factorization.

2113321553522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44381581.

The product of its digits is 54000, while the sum is 35.

Adding to 2113321553522 its reverse (2253551233112), we get a palindrome (4366872786634).

The spelling of 2113321553522 in words is "two trillion, one hundred thirteen billion, three hundred twenty-one million, five hundred fifty-three thousand, five hundred twenty-two".