1112101997 has 2 divisors, whose sum is σ = 1112101998. Its totient is φ = 1112101996.

The previous prime is 1112101981. The next prime is 1112102009. The reversal of 1112101997 is 7991012111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 846868201 + 265233796 = 29101^2 + 16286^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112101997 - 2⁴ = 1112101981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112101927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556050998 + 556050999.

It is an arithmetic number, because the mean of its divisors is an integer number (556050999).

Almost surely, 2^1112101997 is an apocalyptic number.

It is an amenable number.

1112101997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112101997 is an equidigital number, since it uses as much as digits as its factorization.

1112101997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 32.

The square root of 1112101997 is about 33348.1933093833. The cubic root of 1112101997 is about 1036.0519684554.

The spelling of 1112101997 in words is "one billion, one hundred twelve million, one hundred one thousand, nine hundred ninety-seven".