11133133223131 has 4 divisors (see below), whose sum is σ = 11133453001000. Its totient is φ = 11132813445264.

The previous prime is 11133133223117. The next prime is 11133133223137. The reversal of 11133133223131 is 13132233133111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11133133223131 - 2¹⁵ = 11133133190363 is a prime.

It is a super-2 number, since 2×11133133223131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11133133223131.

It is not an unprimeable number, because it can be changed into a prime (11133133223137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159836706 + ... + 159906343.

It is an arithmetic number, because the mean of its divisors is an integer number (2783363250250).

Almost surely, 2^{11133133223131} is an apocalyptic number.

11133133223131 is a deficient number, since it is larger than the sum of its proper divisors (319777869).

11133133223131 is an equidigital number, since it uses as much as digits as its factorization.

11133133223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319777868.

The product of its digits is 2916, while the sum is 28.

Adding to 11133133223131 its reverse (13132233133111), we get a palindrome (24265366356242).

The spelling of 11133133223131 in words is "eleven trillion, one hundred thirty-three billion, one hundred thirty-three million, two hundred twenty-three thousand, one hundred thirty-one".