13122321121011 has 16 divisors (see below), whose sum is σ = 18099846848160. Its totient is φ = 8446507856640.

The previous prime is 13122321120989. The next prime is 13122321121043. The reversal of 13122321121011 is 11012112322131.

It is not a de Polignac number, because 13122321121011 - 2⁶ = 13122321120947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13122321121711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30700681 + ... + 31125173.

It is an arithmetic number, because the mean of its divisors is an integer number (1131240428010).

Almost surely, 2^{13122321121011} is an apocalyptic number.

13122321121011 is a deficient number, since it is larger than the sum of its proper divisors (4977525727149).

13122321121011 is a wasteful number, since it uses less digits than its factorization.

13122321121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779846.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 13122321121011 its reverse (11012112322131), we get a palindrome (24134433443142).

The spelling of 13122321121011 in words is "thirteen trillion, one hundred twenty-two billion, three hundred twenty-one million, one hundred twenty-one thousand, eleven".