11022311321 has 24 divisors (see below), whose sum is σ = 13396440960. Its totient is φ = 9025380672.

The previous prime is 11022311317. The next prime is 11022311323. The reversal of 11022311321 is 12311322011.

It is not a de Polignac number, because 11022311321 - 2² = 11022311317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11022311321.

It is not an unprimeable number, because it can be changed into a prime (11022311323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 939725 + ... + 951381.

It is an arithmetic number, because the mean of its divisors is an integer number (558185040).

Almost surely, 2^11022311321 is an apocalyptic number.

It is an amenable number.

11022311321 is a deficient number, since it is larger than the sum of its proper divisors (2374129639).

11022311321 is a wasteful number, since it uses less digits than its factorization.

11022311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12533 (or 12526 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11022311321 its reverse (12311322011), we get a palindrome (23333633332).

The spelling of 11022311321 in words is "eleven billion, twenty-two million, three hundred eleven thousand, three hundred twenty-one".