997116101 has 4 divisors (see below), whose sum is σ = 1009129632. Its totient is φ = 985102572.

The previous prime is 997116061. The next prime is 997116103. The reversal of 997116101 is 101611799.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101611799 = 9041 ⋅11239.

It is a cyclic number.

It is not a de Polignac number, because 997116101 - 2⁶ = 997116037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997116103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6006641 + ... + 6006806.

It is an arithmetic number, because the mean of its divisors is an integer number (252282408).

Almost surely, 2^997116101 is an apocalyptic number.

It is an amenable number.

997116101 is a deficient number, since it is larger than the sum of its proper divisors (12013531).

997116101 is a wasteful number, since it uses less digits than its factorization.

997116101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12013530.

The product of its (nonzero) digits is 3402, while the sum is 35.

The square root of 997116101 is about 31577.1452319553. The cubic root of 997116101 is about 999.0377747529.

The spelling of 997116101 in words is "nine hundred ninety-seven million, one hundred sixteen thousand, one hundred one".