11220313211331 has 8 divisors (see below), whose sum is σ = 17097620131584. Its totient is φ = 6411607549320.

The previous prime is 11220313211287. The next prime is 11220313211333. The reversal of 11220313211331 is 13311231302211.

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

It is not a de Polignac number, because 11220313211331 - 2⁹ = 11220313210819 is a prime.

It is a super-2 number, since 2×11220313211331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11220313211333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267150314535 + ... + 267150314576.

It is an arithmetic number, because the mean of its divisors is an integer number (2137202516448).

Almost surely, 2^{11220313211331} is an apocalyptic number.

11220313211331 is a deficient number, since it is larger than the sum of its proper divisors (5877306920253).

11220313211331 is an equidigital number, since it uses as much as digits as its factorization.

11220313211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534300629121.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11220313211331 its reverse (13311231302211), we get a palindrome (24531544513542).

The spelling of 11220313211331 in words is "eleven trillion, two hundred twenty billion, three hundred thirteen million, two hundred eleven thousand, three hundred thirty-one".