111123020130311 has 16 divisors (see below), whose sum is σ = 127447590879744. Its totient is φ = 94910918582304.

The previous prime is 111123020130301. The next prime is 111123020130313. The reversal of 111123020130311 is 113031020321111.

It is a cyclic number.

It is not a de Polignac number, because 111123020130311 - 2⁶ = 111123020130247 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 (111123020130313) 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, 383073521 + ... + 383363493.

It is an arithmetic number, because the mean of its divisors is an integer number (7965474429984).

Almost surely, 2^{111123020130311} is an apocalyptic number.

111123020130311 is a deficient number, since it is larger than the sum of its proper divisors (16324570749433).

111123020130311 is a wasteful number, since it uses less digits than its factorization.

111123020130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483710.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 111123020130311 its reverse (113031020321111), we get a palindrome (224154040451422).

The spelling of 111123020130311 in words is "one hundred eleven trillion, one hundred twenty-three billion, twenty million, one hundred thirty thousand, three hundred eleven".