1122001220987 has 2 divisors, whose sum is σ = 1122001220988. Its totient is φ = 1122001220986.

The previous prime is 1122001220983. The next prime is 1122001221001. The reversal of 1122001220987 is 7890221002211.

It is a weak prime.

It is an emirp because it is prime and its reverse (7890221002211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122001220987 - 2² = 1122001220983 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122001220981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561000610493 + 561000610494.

It is an arithmetic number, because the mean of its divisors is an integer number (561000610494).

Almost surely, 2^{1122001220987} is an apocalyptic number.

1122001220987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122001220987 is an equidigital number, since it uses as much as digits as its factorization.

1122001220987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 1122001220987 in words is "one trillion, one hundred twenty-two billion, one million, two hundred twenty thousand, nine hundred eighty-seven".