202001100001 has 2 divisors, whose sum is σ = 202001100002. Its totient is φ = 202001100000.

The previous prime is 202001099981. The next prime is 202001100031. The reversal of 202001100001 is 100001100202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150959446225 + 51041653776 = 388535^2 + 225924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202001100001 is a prime.

It is a super-2 number, since 2×202001100001² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202001100031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101000550000 + 101000550001.

It is an arithmetic number, because the mean of its divisors is an integer number (101000550001).

Almost surely, 2^202001100001 is an apocalyptic number.

It is an amenable number.

202001100001 is a deficient number, since it is larger than the sum of its proper divisors (1).

202001100001 is an equidigital number, since it uses as much as digits as its factorization.

202001100001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 202001100001 its reverse (100001100202), we get a palindrome (302002200203).

The spelling of 202001100001 in words is "two hundred two billion, one million, one hundred thousand, one".