11212331133 has 8 divisors (see below), whose sum is σ = 14950321888. Its totient is φ = 7474613904.

The previous prime is 11212331099. The next prime is 11212331159. The reversal of 11212331133 is 33113321211.

It is a happy number.

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

It is not a de Polignac number, because 11212331133 - 2⁹ = 11212330621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212331173) 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, 63735 + ... + 162747.

It is an arithmetic number, because the mean of its divisors is an integer number (1868790236).

Almost surely, 2^11212331133 is an apocalyptic number.

It is an amenable number.

11212331133 is a deficient number, since it is larger than the sum of its proper divisors (3737990755).

11212331133 is an equidigital number, since it uses as much as digits as its factorization.

11212331133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136763.

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

Adding to 11212331133 its reverse (33113321211), we get a palindrome (44325652344).

The spelling of 11212331133 in words is "eleven billion, two hundred twelve million, three hundred thirty-one thousand, one hundred thirty-three".