100001109997 has 2 divisors, whose sum is σ = 100001109998. Its totient is φ = 100001109996.

The previous prime is 100001109959. The next prime is 100001110019. The reversal of 100001109997 is 799901100001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86185693476 + 13815416521 = 293574^2 + 117539^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001109997 - 2³⁵ = 65641371629 is a prime.

It is a super-3 number, since 3×100001109997³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100001109097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000554998 + 50000554999.

It is an arithmetic number, because the mean of its divisors is an integer number (50000554999).

Almost surely, 2^100001109997 is an apocalyptic number.

It is an amenable number.

100001109997 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001109997 is an equidigital number, since it uses as much as digits as its factorization.

100001109997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 37.

Adding to 100001109997 its reverse (799901100001), we get a palindrome (899902209998).

The spelling of 100001109997 in words is "one hundred billion, one million, one hundred nine thousand, nine hundred ninety-seven".