100223302121 has 4 divisors (see below), whose sum is σ = 100245108612. Its totient is φ = 100201495632.

The previous prime is 100223302063. The next prime is 100223302139. The reversal of 100223302121 is 121203322001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56463264400 + 43760037721 = 237620^2 + 209189^2 .

It is a cyclic number.

It is not a de Polignac number, because 100223302121 - 2¹⁴ = 100223285737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100223302121.

It is not an unprimeable number, because it can be changed into a prime (100223302721) 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, 10896350 + ... + 10905543.

It is an arithmetic number, because the mean of its divisors is an integer number (25061277153).

Almost surely, 2^100223302121 is an apocalyptic number.

It is an amenable number.

100223302121 is a deficient number, since it is larger than the sum of its proper divisors (21806491).

100223302121 is an equidigital number, since it uses as much as digits as its factorization.

100223302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21806490.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100223302121 its reverse (121203322001), we get a palindrome (221426624122).

The spelling of 100223302121 in words is "one hundred billion, two hundred twenty-three million, three hundred two thousand, one hundred twenty-one".