100001020110997 has 2 divisors, whose sum is σ = 100001020110998. Its totient is φ = 100001020110996.

The previous prime is 100001020110983. The next prime is 100001020111001. The reversal of 100001020110997 is 799011020100001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100000820001681 + 200109316 = 10000041^2 + 14146^2 .

It is an emirp because it is prime and its reverse (799011020100001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100001020110997 - 2³¹ = 99998872627349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100001023110997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000510055498 + 50000510055499.

It is an arithmetic number, because the mean of its divisors is an integer number (50000510055499).

Almost surely, 2^{100001020110997} is an apocalyptic number.

It is an amenable number.

100001020110997 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001020110997 is an equidigital number, since it uses as much as digits as its factorization.

100001020110997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 31.

Adding to 100001020110997 its reverse (799011020100001), we get a palindrome (899012040210998).

The spelling of 100001020110997 in words is "one hundred trillion, one billion, twenty million, one hundred ten thousand, nine hundred ninety-seven".