11220331022331 has 4 divisors (see below), whose sum is σ = 14960441363112. Its totient is φ = 7480220681552.

The previous prime is 11220331022291. The next prime is 11220331022377. The reversal of 11220331022331 is 13322013302211.

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 11220331022331 - 2¹⁰ = 11220331021307 is a prime.

It is a super-2 number, since 2×11220331022331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11220331022431) 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, 1870055170386 + ... + 1870055170391.

It is an arithmetic number, because the mean of its divisors is an integer number (3740110340778).

Almost surely, 2^{11220331022331} is an apocalyptic number.

11220331022331 is a deficient number, since it is larger than the sum of its proper divisors (3740110340781).

11220331022331 is an equidigital number, since it uses as much as digits as its factorization.

11220331022331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740110340780.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 11220331022331 its reverse (13322013302211), we get a palindrome (24542344324542).

The spelling of 11220331022331 in words is "eleven trillion, two hundred twenty billion, three hundred thirty-one million, twenty-two thousand, three hundred thirty-one".