11032442221 has 4 divisors (see below), whose sum is σ = 11032776000. Its totient is φ = 11032108444.

The previous prime is 11032442191. The next prime is 11032442251. The reversal of 11032442221 is 12224423011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12224423011 = 68813 ⋅177647.

It is an interprime number because it is at equal distance from previous prime (11032442191) and next prime (11032442251).

It is a cyclic number.

It is not a de Polignac number, because 11032442221 - 2³¹ = 8884958573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11032442192 and 11032442201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032442251) 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, 111091 + ... + 185488.

It is an arithmetic number, because the mean of its divisors is an integer number (2758194000).

Almost surely, 2^11032442221 is an apocalyptic number.

It is an amenable number.

11032442221 is a deficient number, since it is larger than the sum of its proper divisors (333779).

11032442221 is an equidigital number, since it uses as much as digits as its factorization.

11032442221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333778.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11032442221 its reverse (12224423011), we get a palindrome (23256865232).

The spelling of 11032442221 in words is "eleven billion, thirty-two million, four hundred forty-two thousand, two hundred twenty-one".