111012231023 has 4 divisors (see below), whose sum is σ = 111019521480. Its totient is φ = 111004940568.

The previous prime is 111012231007. The next prime is 111012231037. The reversal of 111012231023 is 320132210111.

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 111012231023 - 2⁴ = 111012231007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111012230992 and 111012231010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012201023) 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, 3622340 + ... + 3652857.

It is an arithmetic number, because the mean of its divisors is an integer number (27754880370).

Almost surely, 2^111012231023 is an apocalyptic number.

111012231023 is a deficient number, since it is larger than the sum of its proper divisors (7290457).

111012231023 is an equidigital number, since it uses as much as digits as its factorization.

111012231023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290456.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111012231023 its reverse (320132210111), we get a palindrome (431144441134).

The spelling of 111012231023 in words is "one hundred eleven billion, twelve million, two hundred thirty-one thousand, twenty-three".