100021120023 has 8 divisors (see below), whose sum is σ = 145485265536. Its totient is φ = 60618860600.

The previous prime is 100021119959. The next prime is 100021120051. The reversal of 100021120023 is 320021120001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100021120023 - 2⁶ = 100021119959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100021119990 and 100021120008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021125023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515471483 + ... + 1515471548.

It is an arithmetic number, because the mean of its divisors is an integer number (18185658192).

Almost surely, 2^100021120023 is an apocalyptic number.

100021120023 is a deficient number, since it is larger than the sum of its proper divisors (45464145513).

100021120023 is a wasteful number, since it uses less digits than its factorization.

100021120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030943045.

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

Adding to 100021120023 its reverse (320021120001), we get a palindrome (420042240024).

The spelling of 100021120023 in words is "one hundred billion, twenty-one million, one hundred twenty thousand, twenty-three".