13331322020111 has 4 divisors (see below), whose sum is σ = 13331590505472. Its totient is φ = 13331053534752.

The previous prime is 13331322020101. The next prime is 13331322020123. The reversal of 13331322020111 is 11102022313331.

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

It is a cyclic number.

It is not a de Polignac number, because 13331322020111 - 2⁶ = 13331322020047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331322020101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134168186 + ... + 134267511.

It is an arithmetic number, because the mean of its divisors is an integer number (3332897626368).

Almost surely, 2^{13331322020111} is an apocalyptic number.

13331322020111 is a deficient number, since it is larger than the sum of its proper divisors (268485361).

13331322020111 is an equidigital number, since it uses as much as digits as its factorization.

13331322020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268485360.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13331322020111 its reverse (11102022313331), we get a palindrome (24433344333442).

It can be divided in two parts, 133313220 and 20111, that added together give a palindrome (133333331).

The spelling of 13331322020111 in words is "thirteen trillion, three hundred thirty-one billion, three hundred twenty-two million, twenty thousand, one hundred eleven".