11300000021 has 4 divisors (see below), whose sum is σ = 11306173344. Its totient is φ = 11293826700.

The previous prime is 11300000009. The next prime is 11300000053. The reversal of 11300000021 is 12000000311.

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 11300000021 - 2²⁶ = 11232891157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11299999954 and 11300000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11300000071) 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, 3083915 + ... + 3087576.

It is an arithmetic number, because the mean of its divisors is an integer number (2826543336).

Almost surely, 2^11300000021 is an apocalyptic number.

It is an amenable number.

11300000021 is a deficient number, since it is larger than the sum of its proper divisors (6173323).

11300000021 is an equidigital number, since it uses as much as digits as its factorization.

11300000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6173322.

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

Adding to 11300000021 its reverse (12000000311), we get a palindrome (23300000332).

The spelling of 11300000021 in words is "eleven billion, three hundred million, twenty-one", and thus it is an aban number.