111002100023 has 16 divisors (see below), whose sum is σ = 114683091840. Its totient is φ = 107377053696.

The previous prime is 111002099969. The next prime is 111002100043. The reversal of 111002100023 is 320001200111.

It is a cyclic number.

It is not a de Polignac number, because 111002100023 - 2⁶ = 111002099959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111002099977 and 111002100013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002100043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17469215 + ... + 17475567.

It is an arithmetic number, because the mean of its divisors is an integer number (7167693240).

Almost surely, 2^111002100023 is an apocalyptic number.

111002100023 is a deficient number, since it is larger than the sum of its proper divisors (3680991817).

111002100023 is an equidigital number, since it uses as much as digits as its factorization.

111002100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10666.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 111002100023 its reverse (320001200111), we get a palindrome (431003300134).

The spelling of 111002100023 in words is "one hundred eleven billion, two million, one hundred thousand, twenty-three".