13021311122 has 8 divisors (see below), whose sum is σ = 19631114316. Its totient is φ = 6477606352.

The previous prime is 13021311119. The next prime is 13021311167. The reversal of 13021311122 is 22111312031.

It can be written as a sum of positive squares in 2 ways, for example, as 11444506441 + 1576804681 = 106979^2 + 39709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13021311122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16524113 + ... + 16524900.

Almost surely, 2^13021311122 is an apocalyptic number.

13021311122 is a deficient number, since it is larger than the sum of its proper divisors (6609803194).

13021311122 is a wasteful number, since it uses less digits than its factorization.

13021311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33049212.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13021311122 its reverse (22111312031), we get a palindrome (35132623153).

Subtracting 13021311122 from its reverse (22111312031), we obtain a palindrome (9090000909).

The spelling of 13021311122 in words is "thirteen billion, twenty-one million, three hundred eleven thousand, one hundred twenty-two".