11223113331 has 32 divisors (see below), whose sum is σ = 15254261568. Its totient is φ = 7338885120.

The previous prime is 11223113323. The next prime is 11223113347. The reversal of 11223113331 is 13331132211.

It is a happy number.

It is not a de Polignac number, because 11223113331 - 2³ = 11223113323 is a prime.

It is a super-2 number, since 2×11223113331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11223113298 and 11223113307.

It is not an unprimeable number, because it can be changed into a prime (11223113381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19450515 + ... + 19451091.

It is an arithmetic number, because the mean of its divisors is an integer number (476695674).

Almost surely, 2^11223113331 is an apocalyptic number.

11223113331 is a deficient number, since it is larger than the sum of its proper divisors (4031148237).

11223113331 is a wasteful number, since it uses less digits than its factorization.

11223113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191.

The product of its digits is 324, while the sum is 21.

Adding to 11223113331 its reverse (13331132211), we get a palindrome (24554245542).

The spelling of 11223113331 in words is "eleven billion, two hundred twenty-three million, one hundred thirteen thousand, three hundred thirty-one".