11222203231 has 2 divisors, whose sum is σ = 11222203232. Its totient is φ = 11222203230.

The previous prime is 11222203189. The next prime is 11222203243. The reversal of 11222203231 is 13230222211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11222203231 - 2¹¹ = 11222201183 is a prime.

It is a super-2 number, since 2×11222203231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11222203199 and 11222203208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222203261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611101615 + 5611101616.

It is an arithmetic number, because the mean of its divisors is an integer number (5611101616).

Almost surely, 2^11222203231 is an apocalyptic number.

11222203231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222203231 is an equidigital number, since it uses as much as digits as its factorization.

11222203231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11222203231 its reverse (13230222211), we get a palindrome (24452425442).

The spelling of 11222203231 in words is "eleven billion, two hundred twenty-two million, two hundred three thousand, two hundred thirty-one".