102000202001 has 2 divisors, whose sum is σ = 102000202002. Its totient is φ = 102000202000.

The previous prime is 102000201967. The next prime is 102000202013. The reversal of 102000202001 is 100202000201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87882009601 + 14118192400 = 296449^2 + 118820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102000202001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102000202001.

It is not a weakly prime, because it can be changed into another prime (102000202021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000101000 + 51000101001.

It is an arithmetic number, because the mean of its divisors is an integer number (51000101001).

Almost surely, 2^102000202001 is an apocalyptic number.

It is an amenable number.

102000202001 is a deficient number, since it is larger than the sum of its proper divisors (1).

102000202001 is an equidigital number, since it uses as much as digits as its factorization.

102000202001 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 8.

Adding to 102000202001 its reverse (100202000201), we get a palindrome (202202202202).

The spelling of 102000202001 in words is "one hundred two billion, two hundred two thousand, one".