11220131333 has 4 divisors (see below), whose sum is σ = 11260060908. Its totient is φ = 11180201760.

The previous prime is 11220131327. The next prime is 11220131339. The reversal of 11220131333 is 33313102211.

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

It is an interprime number because it is at equal distance from previous prime (11220131327) and next prime (11220131339).

It can be written as a sum of positive squares in 2 ways, for example, as 5386532449 + 5833598884 = 73393^2 + 76378^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220131333 - 2⁶ = 11220131269 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 (11220131339) 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, 19964366 + ... + 19964927.

It is an arithmetic number, because the mean of its divisors is an integer number (2815015227).

Almost surely, 2^11220131333 is an apocalyptic number.

It is an amenable number.

11220131333 is a deficient number, since it is larger than the sum of its proper divisors (39929575).

11220131333 is an equidigital number, since it uses as much as digits as its factorization.

11220131333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39929574.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11220131333 its reverse (33313102211), we get a palindrome (44533233544).

The spelling of 11220131333 in words is "eleven billion, two hundred twenty million, one hundred thirty-one thousand, three hundred thirty-three".