11021231133 has 24 divisors (see below), whose sum is σ = 17443329696. Its totient is φ = 6650095200.

The previous prime is 11021231119. The next prime is 11021231159. The reversal of 11021231133 is 33113212011.

11021231133 is a `hidden beast` number, since 110 + 212 + 311 + 33 = 666.

It is not a de Polignac number, because 11021231133 - 2¹⁰ = 11021230109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021231173) 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, 222738 + ... + 267683.

It is an arithmetic number, because the mean of its divisors is an integer number (726805404).

Almost surely, 2^11021231133 is an apocalyptic number.

It is an amenable number.

11021231133 is a deficient number, since it is larger than the sum of its proper divisors (6422098563).

11021231133 is a wasteful number, since it uses less digits than its factorization.

11021231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490665 (or 490662 counting only the distinct ones).

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

Adding to 11021231133 its reverse (33113212011), we get a palindrome (44134443144).

The spelling of 11021231133 in words is "eleven billion, twenty-one million, two hundred thirty-one thousand, one hundred thirty-three".