100011220023 has 48 divisors (see below), whose sum is σ = 158348113920. Its totient is φ = 55656806400.

The previous prime is 100011220019. The next prime is 100011220051. The reversal of 100011220023 is 320022110001.

It is not a de Polignac number, because 100011220023 - 2² = 100011220019 is a prime.

It is a super-2 number, since 2×100011220023² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100011219990 and 100011220008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011220073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1018263 + ... + 1112151.

It is an arithmetic number, because the mean of its divisors is an integer number (3298919040).

Almost surely, 2^100011220023 is an apocalyptic number.

100011220023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100011220023 is a deficient number, since it is larger than the sum of its proper divisors (58336893897).

100011220023 is a wasteful number, since it uses less digits than its factorization.

100011220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94120 (or 94107 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 100011220023 its reverse (320022110001), we get a palindrome (420033330024).

The spelling of 100011220023 in words is "one hundred billion, eleven million, two hundred twenty thousand, twenty-three".