11042120133 has 24 divisors (see below), whose sum is σ = 17403141600. Its totient is φ = 6690872160.

The previous prime is 11042120119. The next prime is 11042120171. The reversal of 11042120133 is 33102124011.

11042120133 is a `hidden beast` number, since 1 + 10 + 421 + 201 + 33 = 666.

It is not a de Polignac number, because 11042120133 - 2¹⁸ = 11041857989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11042127133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 773343 + ... + 787491.

It is an arithmetic number, because the mean of its divisors is an integer number (725130900).

Almost surely, 2^11042120133 is an apocalyptic number.

It is an amenable number.

11042120133 is a deficient number, since it is larger than the sum of its proper divisors (6361021467).

11042120133 is a wasteful number, since it uses less digits than its factorization.

11042120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22049 (or 22046 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11042120133 its reverse (33102124011), we get a palindrome (44144244144).

The spelling of 11042120133 in words is "eleven billion, forty-two million, one hundred twenty thousand, one hundred thirty-three".