111321023656231 has 8 divisors (see below), whose sum is σ = 111331389902544. Its totient is φ = 111310657804800.

The previous prime is 111321023656211. The next prime is 111321023656259. The reversal of 111321023656231 is 132656320123111.

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 111321023656231 - 2²⁵ = 111320990101799 is a prime.

It is a super-2 number, since 2×111321023656231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111321023656211) 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 7 ways as a sum of consecutive naturals, for example, 951948441 + ... + 952065373.

It is an arithmetic number, because the mean of its divisors is an integer number (13916423737818).

Almost surely, 2^{111321023656231} is an apocalyptic number.

111321023656231 is a deficient number, since it is larger than the sum of its proper divisors (10366246313).

111321023656231 is a wasteful number, since it uses less digits than its factorization.

111321023656231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197441.

The product of its (nonzero) digits is 38880, while the sum is 37.

Adding to 111321023656231 its reverse (132656320123111), we get a palindrome (243977343779342).

The spelling of 111321023656231 in words is "one hundred eleven trillion, three hundred twenty-one billion, twenty-three million, six hundred fifty-six thousand, two hundred thirty-one".