100021110221023 has 4 divisors (see below), whose sum is σ = 100044628003368. Its totient is φ = 99997592438680.

The previous prime is 100021110220949. The next prime is 100021110221059. The reversal of 100021110221023 is 320122011120001.

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 100021110221023 - 2¹⁷ = 100021110089951 is a prime.

It is a super-2 number, since 2×100021110221023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100021110220988 and 100021110221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021110221063) 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, 11758884793 + ... + 11758893298.

It is an arithmetic number, because the mean of its divisors is an integer number (25011157000842).

Almost surely, 2^{100021110221023} is an apocalyptic number.

100021110221023 is a deficient number, since it is larger than the sum of its proper divisors (23517782345).

100021110221023 is an equidigital number, since it uses as much as digits as its factorization.

100021110221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23517782344.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 100021110221023 its reverse (320122011120001), we get a palindrome (420143121341024).

The spelling of 100021110221023 in words is "one hundred trillion, twenty-one billion, one hundred ten million, two hundred twenty-one thousand, twenty-three".