11322021233 has 18 divisors (see below), whose sum is σ = 12141864918. Its totient is φ = 10520997760.

The previous prime is 11322021211. The next prime is 11322021241. The reversal of 11322021233 is 33212022311.

It can be written as a sum of positive squares in 3 ways, for example, as 9704614144 + 1617407089 = 98512^2 + 40217^2 .

It is not a de Polignac number, because 11322021233 - 2²⁰ = 11320972657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11322051233) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 57472091 + ... + 57472287.

It is an arithmetic number, because the mean of its divisors is an integer number (674548051).

Almost surely, 2^11322021233 is an apocalyptic number.

It is an amenable number.

11322021233 is a deficient number, since it is larger than the sum of its proper divisors (819843685).

11322021233 is an frugal number, since it uses more digits than its factorization.

11322021233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11322021233 its reverse (33212022311), we get a palindrome (44534043544).

The spelling of 11322021233 in words is "eleven billion, three hundred twenty-two million, twenty-one thousand, two hundred thirty-three".