912110001001 has 2 divisors, whose sum is σ = 912110001002. Its totient is φ = 912110001000.

The previous prime is 912110000999. The next prime is 912110001053. The reversal of 912110001001 is 100100011219.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 504702259776 + 407407741225 = 710424^2 + 638285^2 .

It is a cyclic number.

It is not a de Polignac number, because 912110001001 - 2¹ = 912110000999 is a prime.

Together with 912110000999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (912110001601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456055000500 + 456055000501.

It is an arithmetic number, because the mean of its divisors is an integer number (456055000501).

Almost surely, 2^912110001001 is an apocalyptic number.

It is an amenable number.

912110001001 is a deficient number, since it is larger than the sum of its proper divisors (1).

912110001001 is an equidigital number, since it uses as much as digits as its factorization.

912110001001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 912110001001 in words is "nine hundred twelve billion, one hundred ten million, one thousand, one".