10001109997 has 2 divisors, whose sum is σ = 10001109998. Its totient is φ = 10001109996.

The previous prime is 10001109961. The next prime is 10001110099. The reversal of 10001109997 is 79990110001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9053332201 + 947777796 = 95149^2 + 30786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001109997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001109917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000554998 + 5000554999.

It is an arithmetic number, because the mean of its divisors is an integer number (5000554999).

Almost surely, 2^10001109997 is an apocalyptic number.

It is an amenable number.

10001109997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001109997 is an equidigital number, since it uses as much as digits as its factorization.

10001109997 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 10001109997 its reverse (79990110001), we get a palindrome (89991219998).

The spelling of 10001109997 in words is "ten billion, one million, one hundred nine thousand, nine hundred ninety-seven".