20111320101313 has 24 divisors (see below), whose sum is σ = 25204510685952. Its totient is φ = 15664800974592.

The previous prime is 20111320101287. The next prime is 20111320101329. The reversal of 20111320101313 is 31310102311102.

It is not a de Polignac number, because 20111320101313 - 2⁵ = 20111320101281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111320101413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100377145 + ... + 100577302.

It is an arithmetic number, because the mean of its divisors is an integer number (1050187945248).

Almost surely, 2^{20111320101313} is an apocalyptic number.

It is an amenable number.

20111320101313 is a deficient number, since it is larger than the sum of its proper divisors (5093190584639).

20111320101313 is a wasteful number, since it uses less digits than its factorization.

20111320101313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200954529 (or 200954500 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 20111320101313 its reverse (31310102311102), we get a palindrome (51421422412415).

The spelling of 20111320101313 in words is "twenty trillion, one hundred eleven billion, three hundred twenty million, one hundred one thousand, three hundred thirteen".