100111321223 has 4 divisors (see below), whose sum is σ = 102439491528. Its totient is φ = 97783150920.

The previous prime is 100111321201. The next prime is 100111321249. The reversal of 100111321223 is 322123111001.

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 100111321223 - 2⁶ = 100111321159 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 (100111321253) 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, 1164085088 + ... + 1164085173.

It is an arithmetic number, because the mean of its divisors is an integer number (25609872882).

Almost surely, 2^100111321223 is an apocalyptic number.

100111321223 is a deficient number, since it is larger than the sum of its proper divisors (2328170305).

100111321223 is an equidigital number, since it uses as much as digits as its factorization.

100111321223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328170304.

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

Adding to 100111321223 its reverse (322123111001), we get a palindrome (422234432224).

The spelling of 100111321223 in words is "one hundred billion, one hundred eleven million, three hundred twenty-one thousand, two hundred twenty-three".