1100001120287 has 2 divisors, whose sum is σ = 1100001120288. Its totient is φ = 1100001120286.

The previous prime is 1100001120173. The next prime is 1100001120299. The reversal of 1100001120287 is 7820211000011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100001120287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100001128287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550000560143 + 550000560144.

It is an arithmetic number, because the mean of its divisors is an integer number (550000560144).

Almost surely, 2^{1100001120287} is an apocalyptic number.

1100001120287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100001120287 is an equidigital number, since it uses as much as digits as its factorization.

1100001120287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 1100001120287 its reverse (7820211000011), we get a palindrome (8920212120298).

The spelling of 1100001120287 in words is "one trillion, one hundred billion, one million, one hundred twenty thousand, two hundred eighty-seven".