111131022210023 has 4 divisors (see below), whose sum is σ = 111137138746560. Its totient is φ = 111124905673488.

The previous prime is 111131022209971. The next prime is 111131022210029. The reversal of 111131022210023 is 320012220131111.

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 111131022210023 - 2²⁴ = 111131005432807 is a prime.

It is a super-2 number, since 2×111131022210023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111131022209977 and 111131022210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111131022210029) 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, 3058241015 + ... + 3058277352.

It is an arithmetic number, because the mean of its divisors is an integer number (27784284686640).

Almost surely, 2^{111131022210023} is an apocalyptic number.

111131022210023 is a deficient number, since it is larger than the sum of its proper divisors (6116536537).

111131022210023 is an equidigital number, since it uses as much as digits as its factorization.

111131022210023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116536536.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111131022210023 its reverse (320012220131111), we get a palindrome (431143242341134).

The spelling of 111131022210023 in words is "one hundred eleven trillion, one hundred thirty-one billion, twenty-two million, two hundred ten thousand, twenty-three".