11231022033 has 40 divisors (see below), whose sum is σ = 20917047360. Its totient is φ = 5834293920.

The previous prime is 11231022029. The next prime is 11231022059. The reversal of 11231022033 is 33022013211.

It is not a de Polignac number, because 11231022033 - 2² = 11231022029 is a prime.

It is a super-2 number, since 2×11231022033² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11231021997 and 11231022015.

It is not an unprimeable number, because it can be changed into a prime (11231022233) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 894118 + ... + 906591.

It is an arithmetic number, because the mean of its divisors is an integer number (522926184).

Almost surely, 2^11231022033 is an apocalyptic number.

It is an amenable number.

11231022033 is a deficient number, since it is larger than the sum of its proper divisors (9686025327).

11231022033 is a wasteful number, since it uses less digits than its factorization.

11231022033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800739 (or 1800730 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11231022033 its reverse (33022013211), we get a palindrome (44253035244).

The spelling of 11231022033 in words is "eleven billion, two hundred thirty-one million, twenty-two thousand, thirty-three".