11001202002001 has 2 divisors, whose sum is σ = 11001202002002. Its totient is φ = 11001202002000.

The previous prime is 11001202001987. The next prime is 11001202002023. The reversal of 11001202002001 is 10020020210011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10983915011601 + 17286990400 = 3314199^2 + 131480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001202002001 is a prime.

It is not a weakly prime, because it can be changed into another prime (11001202002601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500601001000 + 5500601001001.

It is an arithmetic number, because the mean of its divisors is an integer number (5500601001001).

Almost surely, 2^{11001202002001} is an apocalyptic number.

It is an amenable number.

11001202002001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001202002001 is an equidigital number, since it uses as much as digits as its factorization.

11001202002001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11001202002001 its reverse (10020020210011), we get a palindrome (21021222212012).

The spelling of 11001202002001 in words is "eleven trillion, one billion, two hundred two million, two thousand, one".