13021421122 has 8 divisors (see below), whose sum is σ = 19534307472. Its totient is φ = 6509985300.

The previous prime is 13021421081. The next prime is 13021421131. The reversal of 13021421122 is 22112412031.

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 13021421122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339904 + ... + 376267.

It is an arithmetic number, because the mean of its divisors is an integer number (2441788434).

Almost surely, 2^13021421122 is an apocalyptic number.

13021421122 is a deficient number, since it is larger than the sum of its proper divisors (6512886350).

13021421122 is an equidigital number, since it uses as much as digits as its factorization.

13021421122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725264.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 13021421122 its reverse (22112412031), we get a palindrome (35133833153).

Subtracting 13021421122 from its reverse (22112412031), we obtain a palindrome (9090990909).

The spelling of 13021421122 in words is "thirteen billion, twenty-one million, four hundred twenty-one thousand, one hundred twenty-two".