12110002001 has 2 divisors, whose sum is σ = 12110002002. Its totient is φ = 12110002000.

The previous prime is 12110001997. The next prime is 12110002019. The reversal of 12110002001 is 10020001121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9987004225 + 2122997776 = 99935^2 + 46076^2 .

It is a cyclic number.

It is not a de Polignac number, because 12110002001 - 2² = 12110001997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12110002001.

It is not a weakly prime, because it can be changed into another prime (12110002031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055001000 + 6055001001.

It is an arithmetic number, because the mean of its divisors is an integer number (6055001001).

Almost surely, 2^12110002001 is an apocalyptic number.

It is an amenable number.

12110002001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110002001 is an equidigital number, since it uses as much as digits as its factorization.

12110002001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12110002001 its reverse (10020001121), we get a palindrome (22130003122).

The spelling of 12110002001 in words is "twelve billion, one hundred ten million, two thousand, one".