1122217122287 has 2 divisors, whose sum is σ = 1122217122288. Its totient is φ = 1122217122286.

The previous prime is 1122217122233. The next prime is 1122217122307. The reversal of 1122217122287 is 7822217122211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122217122287 - 2³² = 1117922154991 is a prime.

It is a super-2 number, since 2×1122217122287² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1122217122287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122217127287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561108561143 + 561108561144.

It is an arithmetic number, because the mean of its divisors is an integer number (561108561144).

Almost surely, 2^{1122217122287} is an apocalyptic number.

1122217122287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122217122287 is an equidigital number, since it uses as much as digits as its factorization.

1122217122287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25088, while the sum is 38.

The spelling of 1122217122287 in words is "one trillion, one hundred twenty-two billion, two hundred seventeen million, one hundred twenty-two thousand, two hundred eighty-seven".