111021211133023 has 4 divisors (see below), whose sum is σ = 111021235164720. Its totient is φ = 111021187101328.

The previous prime is 111021211133017. The next prime is 111021211133071. The reversal of 111021211133023 is 320331112120111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111021211133023 is a prime.

It is a super-2 number, since 2×111021211133023² (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 = 111021211132985 and 111021211133003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021211131023) 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, 2655715 + ... + 15135892.

It is an arithmetic number, because the mean of its divisors is an integer number (27755308791180).

Almost surely, 2^{111021211133023} is an apocalyptic number.

111021211133023 is a deficient number, since it is larger than the sum of its proper divisors (24031697).

111021211133023 is an equidigital number, since it uses as much as digits as its factorization.

111021211133023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24031696.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 111021211133023 its reverse (320331112120111), we get a palindrome (431352323253134).

The spelling of 111021211133023 in words is "one hundred eleven trillion, twenty-one billion, two hundred eleven million, one hundred thirty-three thousand, twenty-three".