13123022113111 has 32 divisors (see below), whose sum is σ = 13668081436800. Its totient is φ = 12592703232000.

The previous prime is 13123022113109. The next prime is 13123022113133. The reversal of 13123022113111 is 11131122032131.

It is not a de Polignac number, because 13123022113111 - 2¹ = 13123022113109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123022117111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478073715 + ... + 478101163.

It is an arithmetic number, because the mean of its divisors is an integer number (427127544900).

Almost surely, 2^{13123022113111} is an apocalyptic number.

13123022113111 is a deficient number, since it is larger than the sum of its proper divisors (545059323689).

13123022113111 is a wasteful number, since it uses less digits than its factorization.

13123022113111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28747.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 13123022113111 its reverse (11131122032131), we get a palindrome (24254144145242).

The spelling of 13123022113111 in words is "thirteen trillion, one hundred twenty-three billion, twenty-two million, one hundred thirteen thousand, one hundred eleven".