100030301221 has 4 divisors (see below), whose sum is σ = 100036535392. Its totient is φ = 100024067052.

The previous prime is 100030301201. The next prime is 100030301233. The reversal of 100030301221 is 122103030001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100030301221 - 2⁷ = 100030301093 is a prime.

It is a super-2 number, since 2×100030301221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100030301201) 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, 3092955 + ... + 3125128.

It is an arithmetic number, because the mean of its divisors is an integer number (25009133848).

Almost surely, 2^100030301221 is an apocalyptic number.

It is an amenable number.

100030301221 is a deficient number, since it is larger than the sum of its proper divisors (6234171).

100030301221 is an equidigital number, since it uses as much as digits as its factorization.

100030301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6234170.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 100030301221 its reverse (122103030001), we get a palindrome (222133331222).

The spelling of 100030301221 in words is "one hundred billion, thirty million, three hundred one thousand, two hundred twenty-one".