11320112021 has 4 divisors (see below), whose sum is σ = 11326177152. Its totient is φ = 11314046892.

The previous prime is 11320111961. The next prime is 11320112029. The reversal of 11320112021 is 12021102311.

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 11320112021 - 2¹⁴ = 11320095637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11320111987 and 11320112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320112029) 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, 3029765 + ... + 3033498.

It is an arithmetic number, because the mean of its divisors is an integer number (2831544288).

Almost surely, 2^11320112021 is an apocalyptic number.

It is an amenable number.

11320112021 is a deficient number, since it is larger than the sum of its proper divisors (6065131).

11320112021 is an equidigital number, since it uses as much as digits as its factorization.

11320112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065130.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11320112021 its reverse (12021102311), we get a palindrome (23341214332).

The spelling of 11320112021 in words is "eleven billion, three hundred twenty million, one hundred twelve thousand, twenty-one".