100223102021 has 24 divisors (see below), whose sum is σ = 120561686784. Its totient is φ = 82985999040.

The previous prime is 100223102003. The next prime is 100223102027. The reversal of 100223102021 is 120201322001.

It is a happy number.

It is not a de Polignac number, because 100223102021 - 2¹⁰ = 100223100997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100223101987 and 100223102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100223102027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 796601 + ... + 913793.

It is an arithmetic number, because the mean of its divisors is an integer number (5023403616).

Almost surely, 2^100223102021 is an apocalyptic number.

It is an amenable number.

100223102021 is a deficient number, since it is larger than the sum of its proper divisors (20338584763).

100223102021 is a wasteful number, since it uses less digits than its factorization.

100223102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117801 (or 117794 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100223102021 its reverse (120201322001), we get a palindrome (220424424022).

The spelling of 100223102021 in words is "one hundred billion, two hundred twenty-three million, one hundred two thousand, twenty-one".