11100012330021 has 4 divisors (see below), whose sum is σ = 14800016440032. Its totient is φ = 7400008220012.

The previous prime is 11100012329999. The next prime is 11100012330031. The reversal of 11100012330021 is 12003321000111.

It is a happy number.

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 11100012330021 - 2¹⁰ = 11100012328997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100012330031) 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, 1850002055001 + ... + 1850002055006.

It is an arithmetic number, because the mean of its divisors is an integer number (3700004110008).

Almost surely, 2^{11100012330021} is an apocalyptic number.

It is an amenable number.

11100012330021 is a deficient number, since it is larger than the sum of its proper divisors (3700004110011).

11100012330021 is an equidigital number, since it uses as much as digits as its factorization.

11100012330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700004110010.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11100012330021 its reverse (12003321000111), we get a palindrome (23103333330132).

The spelling of 11100012330021 in words is "eleven trillion, one hundred billion, twelve million, three hundred thirty thousand, twenty-one".