11221033230331 has 2 divisors, whose sum is σ = 11221033230332. Its totient is φ = 11221033230330.

The previous prime is 11221033230317. The next prime is 11221033230347. The reversal of 11221033230331 is 13303233012211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11221033230331 - 2⁴³ = 2424940208123 is a prime.

It is a super-2 number, since 2×11221033230331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221033230296 and 11221033230305.

It is not a weakly prime, because it can be changed into another prime (11221033230431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610516615165 + 5610516615166.

It is an arithmetic number, because the mean of its divisors is an integer number (5610516615166).

Almost surely, 2^{11221033230331} is an apocalyptic number.

11221033230331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221033230331 is an equidigital number, since it uses as much as digits as its factorization.

11221033230331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 11221033230331 its reverse (13303233012211), we get a palindrome (24524266242542).

The spelling of 11221033230331 in words is "eleven trillion, two hundred twenty-one billion, thirty-three million, two hundred thirty thousand, three hundred thirty-one".