13022121011 has 4 divisors (see below), whose sum is σ = 13050369024. Its totient is φ = 12993873000.

The previous prime is 13022120983. The next prime is 13022121031. The reversal of 13022121011 is 11012122031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13022121011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13022121031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14123315 + ... + 14124236.

It is an arithmetic number, because the mean of its divisors is an integer number (3262592256).

Almost surely, 2^13022121011 is an apocalyptic number.

13022121011 is a deficient number, since it is larger than the sum of its proper divisors (28248013).

13022121011 is an equidigital number, since it uses as much as digits as its factorization.

13022121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28248012.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13022121011 its reverse (11012122031), we get a palindrome (24034243042).

The spelling of 13022121011 in words is "thirteen billion, twenty-two million, one hundred twenty-one thousand, eleven".