301100000021 has 4 divisors (see below), whose sum is σ = 301967723712. Its totient is φ = 300232276332.

The previous prime is 301099999987. The next prime is 301100000101. The reversal of 301100000021 is 120000001103.

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 301100000021 - 2⁶ = 301099999957 is a prime.

It is a super-2 number, since 2×301100000021² (a number of 24 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 = 301099999954 and 301100000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301100005021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433861325 + ... + 433862018.

It is an arithmetic number, because the mean of its divisors is an integer number (75491930928).

Almost surely, 2^301100000021 is an apocalyptic number.

It is an amenable number.

301100000021 is a deficient number, since it is larger than the sum of its proper divisors (867723691).

301100000021 is an equidigital number, since it uses as much as digits as its factorization.

301100000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867723690.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 301100000021 its reverse (120000001103), we get a palindrome (421100001124).

The spelling of 301100000021 in words is "three hundred one billion, one hundred million, twenty-one", and thus it is an aban number.