11121201333 has 48 divisors (see below), whose sum is σ = 18437170752. Its totient is φ = 6397920000.

The previous prime is 11121201331. The next prime is 11121201337. The reversal of 11121201333 is 33310212111.

11121201333 is a `hidden beast` number, since 11 + 121 + 201 + 333 = 666.

It is not a de Polignac number, because 11121201333 - 2¹ = 11121201331 is a prime.

It is a super-2 number, since 2×11121201333² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121201331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113158 + ... + 187208.

It is an arithmetic number, because the mean of its divisors is an integer number (384107724).

Almost surely, 2^11121201333 is an apocalyptic number.

It is an amenable number.

11121201333 is a deficient number, since it is larger than the sum of its proper divisors (7315969419).

11121201333 is a wasteful number, since it uses less digits than its factorization.

11121201333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74146 (or 74143 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11121201333 its reverse (33310212111), we get a palindrome (44431413444).

The spelling of 11121201333 in words is "eleven billion, one hundred twenty-one million, two hundred one thousand, three hundred thirty-three".