100230033221 has 4 divisors (see below), whose sum is σ = 100749360012. Its totient is φ = 99710706432.

The previous prime is 100230033209. The next prime is 100230033223. The reversal of 100230033221 is 122330032001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122330032001 = 128693 ⋅950557.

It can be written as a sum of positive squares in 2 ways, for example, as 17580108100 + 82649925121 = 132590^2 + 287489^2 .

It is a cyclic number.

It is not a de Polignac number, because 100230033221 - 2²⁶ = 100162924357 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 100230033221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100230033223) 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, 259663106 + ... + 259663491.

It is an arithmetic number, because the mean of its divisors is an integer number (25187340003).

Almost surely, 2^100230033221 is an apocalyptic number.

It is an amenable number.

100230033221 is a deficient number, since it is larger than the sum of its proper divisors (519326791).

100230033221 is an equidigital number, since it uses as much as digits as its factorization.

100230033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519326790.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 100230033221 its reverse (122330032001), we get a palindrome (222560065222).

The spelling of 100230033221 in words is "one hundred billion, two hundred thirty million, thirty-three thousand, two hundred twenty-one".