13312121011 has 12 divisors (see below), whose sum is σ = 15490391592. Its totient is φ = 11406806208.

The previous prime is 13312120973. The next prime is 13312121021. The reversal of 13312121011 is 11012121331.

It is a happy number.

It is not a de Polignac number, because 13312121011 - 2¹⁵ = 13312088243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13312121021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121336 + ... + 203338.

It is an arithmetic number, because the mean of its divisors is an integer number (1290865966).

Almost surely, 2^13312121011 is an apocalyptic number.

13312121011 is a deficient number, since it is larger than the sum of its proper divisors (2178270581).

13312121011 is an equidigital number, since it uses as much as digits as its factorization.

13312121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85330 (or 85323 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13312121011 its reverse (11012121331), we get a palindrome (24324242342).

The spelling of 13312121011 in words is "thirteen billion, three hundred twelve million, one hundred twenty-one thousand, eleven".