11211300231133 has 4 divisors (see below), whose sum is σ = 11364879686428. Its totient is φ = 11057720775840.

The previous prime is 11211300231067. The next prime is 11211300231143. The reversal of 11211300231133 is 33113200311211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4717227798724 + 6494072432409 = 2171918^2 + 2548347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211300231133 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 (11211300231143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76789727538 + ... + 76789727683.

It is an arithmetic number, because the mean of its divisors is an integer number (2841219921607).

Almost surely, 2^{11211300231133} is an apocalyptic number.

It is an amenable number.

11211300231133 is a deficient number, since it is larger than the sum of its proper divisors (153579455295).

11211300231133 is an equidigital number, since it uses as much as digits as its factorization.

11211300231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153579455294.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 11211300231133 its reverse (33113200311211), we get a palindrome (44324500542344).

The spelling of 11211300231133 in words is "eleven trillion, two hundred eleven billion, three hundred million, two hundred thirty-one thousand, one hundred thirty-three".