1120120111997 has 2 divisors, whose sum is σ = 1120120111998. Its totient is φ = 1120120111996.

The previous prime is 1120120111973. The next prime is 1120120112057. The reversal of 1120120111997 is 7991110210211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083585230116 + 36534881881 = 1040954^2 + 191141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120120111997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120120111897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560060055998 + 560060055999.

It is an arithmetic number, because the mean of its divisors is an integer number (560060055999).

Almost surely, 2^{1120120111997} is an apocalyptic number.

It is an amenable number.

1120120111997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120120111997 is an equidigital number, since it uses as much as digits as its factorization.

1120120111997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 35.

The spelling of 1120120111997 in words is "one trillion, one hundred twenty billion, one hundred twenty million, one hundred eleven thousand, nine hundred ninety-seven".