11121133233 has 16 divisors (see below), whose sum is σ = 16993704960. Its totient is φ = 6337227216.

The previous prime is 11121133229. The next prime is 11121133271. The reversal of 11121133233 is 33233112111.

It is a happy number.

It is not a de Polignac number, because 11121133233 - 2² = 11121133229 is a prime.

It is a super-2 number, since 2×11121133233² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11121133633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730035 + ... + 745112.

It is an arithmetic number, because the mean of its divisors is an integer number (1062106560).

Almost surely, 2^11121133233 is an apocalyptic number.

It is an amenable number.

11121133233 is a deficient number, since it is larger than the sum of its proper divisors (5872571727).

11121133233 is a wasteful number, since it uses less digits than its factorization.

11121133233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475516.

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

Adding to 11121133233 its reverse (33233112111), we get a palindrome (44354245344).

The spelling of 11121133233 in words is "eleven billion, one hundred twenty-one million, one hundred thirty-three thousand, two hundred thirty-three".