2013312211522 has 16 divisors (see below), whose sum is σ = 3125387322360. Its totient is φ = 971544930048.

The previous prime is 2013312211441. The next prime is 2013312211523. The reversal of 2013312211522 is 2251122133102.

It can be written as a sum of positive squares in 4 ways, for example, as 1998205589241 + 15106622281 = 1413579^2 + 122909^2 .

It is a super-2 number, since 2×2013312211522² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2013312211523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6980583 + ... + 7263274.

Almost surely, 2^{2013312211522} is an apocalyptic number.

2013312211522 is a deficient number, since it is larger than the sum of its proper divisors (1112075110838).

2013312211522 is a wasteful number, since it uses less digits than its factorization.

2013312211522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14246325.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 2013312211522 its reverse (2251122133102), we get a palindrome (4264434344624).

The spelling of 2013312211522 in words is "two trillion, thirteen billion, three hundred twelve million, two hundred eleven thousand, five hundred twenty-two".