111101330021023 has 4 divisors (see below), whose sum is σ = 111117392096760. Its totient is φ = 111085267945288.

The previous prime is 111101330020981. The next prime is 111101330021027. The reversal of 111101330021023 is 320120033101111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111101330021023 - 2²¹ = 111101327923871 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 (111101330021027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8031027493 + ... + 8031041326.

It is an arithmetic number, because the mean of its divisors is an integer number (27779348024190).

Almost surely, 2^{111101330021023} is an apocalyptic number.

111101330021023 is a deficient number, since it is larger than the sum of its proper divisors (16062075737).

111101330021023 is an equidigital number, since it uses as much as digits as its factorization.

111101330021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16062075736.

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

Adding to 111101330021023 its reverse (320120033101111), we get a palindrome (431221363122134).

The spelling of 111101330021023 in words is "one hundred eleven trillion, one hundred one billion, three hundred thirty million, twenty-one thousand, twenty-three".