1112123301997 has 2 divisors, whose sum is σ = 1112123301998. Its totient is φ = 1112123301996.

The previous prime is 1112123301967. The next prime is 1112123302019. The reversal of 1112123301997 is 7991033212111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942664286281 + 169459015716 = 970909^2 + 411654^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112123301997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112123301917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556061650998 + 556061650999.

It is an arithmetic number, because the mean of its divisors is an integer number (556061650999).

Almost surely, 2^{1112123301997} is an apocalyptic number.

It is an amenable number.

1112123301997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112123301997 is an equidigital number, since it uses as much as digits as its factorization.

1112123301997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 40.

The spelling of 1112123301997 in words is "one trillion, one hundred twelve billion, one hundred twenty-three million, three hundred one thousand, nine hundred ninety-seven".