11133131100213 has 4 divisors (see below), whose sum is σ = 14844174800288. Its totient is φ = 7422087400140.

The previous prime is 11133131100137. The next prime is 11133131100293. The reversal of 11133131100213 is 31200113133111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11133131100213 - 2¹² = 11133131096117 is a prime.

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 11133131100213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133131100293) 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, 1855521850033 + ... + 1855521850038.

It is an arithmetic number, because the mean of its divisors is an integer number (3711043700072).

Almost surely, 2^{11133131100213} is an apocalyptic number.

It is an amenable number.

11133131100213 is a deficient number, since it is larger than the sum of its proper divisors (3711043700075).

11133131100213 is an equidigital number, since it uses as much as digits as its factorization.

11133131100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711043700074.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 11133131100213 its reverse (31200113133111), we get a palindrome (42333244233324).

The spelling of 11133131100213 in words is "eleven trillion, one hundred thirty-three billion, one hundred thirty-one million, one hundred thousand, two hundred thirteen".