100011009997 has 2 divisors, whose sum is σ = 100011009998. Its totient is φ = 100011009996.

The previous prime is 100011009983. The next prime is 100011010031. The reversal of 100011009997 is 799900110001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78634815561 + 21376194436 = 280419^2 + 146206^2 .

It is a cyclic number.

It is not a de Polignac number, because 100011009997 - 2¹⁵ = 100010977229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100011009977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005504998 + 50005504999.

It is an arithmetic number, because the mean of its divisors is an integer number (50005504999).

Almost surely, 2^100011009997 is an apocalyptic number.

It is an amenable number.

100011009997 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011009997 is an equidigital number, since it uses as much as digits as its factorization.

100011009997 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 100011009997 its reverse (799900110001), we get a palindrome (899911119998).

The spelling of 100011009997 in words is "one hundred billion, eleven million, nine thousand, nine hundred ninety-seven".