111131022113123 has 8 divisors (see below), whose sum is σ = 111707623937040. Its totient is φ = 110554891181280.

The previous prime is 111131022113107. The next prime is 111131022113173. The reversal of 111131022113123 is 321311220131111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111131022113123 - 2⁴ = 111131022113107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111131022113173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117249788 + ... + 118193801.

It is an arithmetic number, because the mean of its divisors is an integer number (13963452992130).

Almost surely, 2^{111131022113123} is an apocalyptic number.

111131022113123 is a deficient number, since it is larger than the sum of its proper divisors (576601823917).

111131022113123 is a wasteful number, since it uses less digits than its factorization.

111131022113123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235446037.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 111131022113123 its reverse (321311220131111), we get a palindrome (432442242244234).

The spelling of 111131022113123 in words is "one hundred eleven trillion, one hundred thirty-one billion, twenty-two million, one hundred thirteen thousand, one hundred twenty-three".