11442012230021 has 4 divisors (see below), whose sum is σ = 11442026770944. Its totient is φ = 11441997689100.

The previous prime is 11442012229937. The next prime is 11442012230023. The reversal of 11442012230021 is 12003221024411.

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 11442012230021 - 2¹⁸ = 11442011967877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442012230023) 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, 6018245 + ... + 7687866.

It is an arithmetic number, because the mean of its divisors is an integer number (2860506692736).

Almost surely, 2^{11442012230021} is an apocalyptic number.

It is an amenable number.

11442012230021 is a deficient number, since it is larger than the sum of its proper divisors (14540923).

11442012230021 is an equidigital number, since it uses as much as digits as its factorization.

11442012230021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14540922.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11442012230021 its reverse (12003221024411), we get a palindrome (23445233254432).

The spelling of 11442012230021 in words is "eleven trillion, four hundred forty-two billion, twelve million, two hundred thirty thousand, twenty-one".