11213013233 has 8 divisors (see below), whose sum is σ = 11479164456. Its totient is φ = 10949904000.

The previous prime is 11213013223. The next prime is 11213013239. The reversal of 11213013233 is 33231031211.

It can be written as a sum of positive squares in 4 ways, for example, as 8340803584 + 2872209649 = 91328^2 + 53593^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11213013233 - 2¹⁸ = 11212751089 is a prime.

It is a super-2 number, since 2×11213013233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213013239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753038 + ... + 767783.

It is an arithmetic number, because the mean of its divisors is an integer number (1434895557).

Almost surely, 2^11213013233 is an apocalyptic number.

It is an amenable number.

11213013233 is a deficient number, since it is larger than the sum of its proper divisors (266151223).

11213013233 is a wasteful number, since it uses less digits than its factorization.

11213013233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520995.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11213013233 its reverse (33231031211), we get a palindrome (44444044444).

The spelling of 11213013233 in words is "eleven billion, two hundred thirteen million, thirteen thousand, two hundred thirty-three".