200102020201 has 4 divisors (see below), whose sum is σ = 200136520404. Its totient is φ = 200067520000.

The previous prime is 200102020171. The next prime is 200102020213. The reversal of 200102020201 is 102020201002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156305576025 + 43796444176 = 395355^2 + 209276^2 .

It is a cyclic number.

It is not a de Polignac number, because 200102020201 - 2¹¹ = 200102018153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200102030201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17241400 + ... + 17253001.

It is an arithmetic number, because the mean of its divisors is an integer number (50034130101).

Almost surely, 2^200102020201 is an apocalyptic number.

It is an amenable number.

200102020201 is a deficient number, since it is larger than the sum of its proper divisors (34500203).

200102020201 is an equidigital number, since it uses as much as digits as its factorization.

200102020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34500202.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200102020201 its reverse (102020201002), we get a palindrome (302122221203).

The spelling of 200102020201 in words is "two hundred billion, one hundred two million, twenty thousand, two hundred one".