111002220023 has 4 divisors (see below), whose sum is σ = 111008656968. Its totient is φ = 110995783080.

The previous prime is 111002219987. The next prime is 111002220029. The reversal of 111002220023 is 320022200111.

It is a happy number.

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 111002220023 - 2¹⁴ = 111002203639 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 (111002220029) 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, 3192536 + ... + 3227117.

It is an arithmetic number, because the mean of its divisors is an integer number (27752164242).

Almost surely, 2^111002220023 is an apocalyptic number.

111002220023 is a deficient number, since it is larger than the sum of its proper divisors (6436945).

111002220023 is an equidigital number, since it uses as much as digits as its factorization.

111002220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436944.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 111002220023 its reverse (320022200111), we get a palindrome (431024420134).

The spelling of 111002220023 in words is "one hundred eleven billion, two million, two hundred twenty thousand, twenty-three".