11221003133231 has 2 divisors, whose sum is σ = 11221003133232. Its totient is φ = 11221003133230.

The previous prime is 11221003133201. The next prime is 11221003133233. The reversal of 11221003133231 is 13233130012211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11221003133231 - 2³⁸ = 10946125226287 is a prime.

It is a super-2 number, since 2×11221003133231² (a number of 27 digits) contains 22 as substring.

Together with 11221003133233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11221003133197 and 11221003133206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221003133233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610501566615 + 5610501566616.

It is an arithmetic number, because the mean of its divisors is an integer number (5610501566616).

Almost surely, 2^{11221003133231} is an apocalyptic number.

11221003133231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221003133231 is an equidigital number, since it uses as much as digits as its factorization.

11221003133231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11221003133231 its reverse (13233130012211), we get a palindrome (24454133145442).

The spelling of 11221003133231 in words is "eleven trillion, two hundred twenty-one billion, three million, one hundred thirty-three thousand, two hundred thirty-one".