11032444121 has 4 divisors (see below), whose sum is σ = 11032867200. Its totient is φ = 11032021044.

The previous prime is 11032444097. The next prime is 11032444133. The reversal of 11032444121 is 12144423011.

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 a de Polignac number, because none of the positive numbers 2^k-11032444121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11032444141) 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, 169661 + ... + 225498.

It is an arithmetic number, because the mean of its divisors is an integer number (2758216800).

Almost surely, 2^11032444121 is an apocalyptic number.

It is an amenable number.

11032444121 is a deficient number, since it is larger than the sum of its proper divisors (423079).

11032444121 is an equidigital number, since it uses as much as digits as its factorization.

11032444121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423078.

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

Adding to 11032444121 its reverse (12144423011), we get a palindrome (23176867132).

The spelling of 11032444121 in words is "eleven billion, thirty-two million, four hundred forty-four thousand, one hundred twenty-one".