11312022217 has 2 divisors, whose sum is σ = 11312022218. Its totient is φ = 11312022216.

The previous prime is 11312022203. The next prime is 11312022263. The reversal of 11312022217 is 71222021311.

11312022217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10048859536 + 1263162681 = 100244^2 + 35541^2 .

It is a cyclic number.

It is not a de Polignac number, because 11312022217 - 2¹⁵ = 11311989449 is a prime.

It is not a weakly prime, because it can be changed into another prime (11312022017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656011108 + 5656011109.

It is an arithmetic number, because the mean of its divisors is an integer number (5656011109).

Almost surely, 2^11312022217 is an apocalyptic number.

It is an amenable number.

11312022217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312022217 is an equidigital number, since it uses as much as digits as its factorization.

11312022217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 11312022217 its reverse (71222021311), we get a palindrome (82534043528).

The spelling of 11312022217 in words is "eleven billion, three hundred twelve million, twenty-two thousand, two hundred seventeen".