11231110133 has 8 divisors (see below), whose sum is σ = 11273482968. Its totient is φ = 11188779264.

The previous prime is 11231110127. The next prime is 11231110147. The reversal of 11231110133 is 33101113211.

It can be written as a sum of positive squares in 4 ways, for example, as 973876849 + 10257233284 = 31207^2 + 101278^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11231110133 - 2⁴ = 11231110117 is a prime.

It is a super-2 number, since 2×11231110133² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231110123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589391 + ... + 608147.

It is an arithmetic number, because the mean of its divisors is an integer number (1409185371).

Almost surely, 2^11231110133 is an apocalyptic number.

It is an amenable number.

11231110133 is a deficient number, since it is larger than the sum of its proper divisors (42372835).

11231110133 is a wasteful number, since it uses less digits than its factorization.

11231110133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20983.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11231110133 its reverse (33101113211), we get a palindrome (44332223344).

The spelling of 11231110133 in words is "eleven billion, two hundred thirty-one million, one hundred ten thousand, one hundred thirty-three".