300011010000021 has 12 divisors (see below), whose sum is σ = 436761435382272. Its totient is φ = 198432479054376.

The previous prime is 300011010000017. The next prime is 300011010000041. The reversal of 300011010000021 is 120000010110003.

It is not a de Polignac number, because 300011010000021 - 2² = 300011010000017 is a prime.

It is a super-2 number, since 2×300011010000021² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 300011009999958 and 300011010000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300011010000041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131238410931 + ... + 131238413216.

It is an arithmetic number, because the mean of its divisors is an integer number (36396786281856).

Almost surely, 2^{300011010000021} is an apocalyptic number.

It is an amenable number.

300011010000021 is a deficient number, since it is larger than the sum of its proper divisors (136750425382251).

300011010000021 is a wasteful number, since it uses less digits than its factorization.

300011010000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262476824280 (or 262476824277 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 300011010000021 its reverse (120000010110003), we get a palindrome (420011020110024).

The spelling of 300011010000021 in words is "three hundred trillion, eleven billion, ten million, twenty-one", and thus it is an aban number.