200202101 has 4 divisors (see below), whose sum is σ = 218402304. Its totient is φ = 182001900.

The previous prime is 200202071. The next prime is 200202113. The reversal of 200202101 is 101202002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200202101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200232101) 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, 9100085 + ... + 9100106.

It is an arithmetic number, because the mean of its divisors is an integer number (54600576).

Almost surely, 2^200202101 is an apocalyptic number.

It is an amenable number.

200202101 is a deficient number, since it is larger than the sum of its proper divisors (18200203).

200202101 is a wasteful number, since it uses less digits than its factorization.

200202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18200202.

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

The square root of 200202101 is about 14149.2791689188. The cubic root of 200202101 is about 585.0004636322. Note that the first 3 decimals are identical.

Adding to 200202101 its reverse (101202002), we get a palindrome (301404103).

Subtracting from 200202101 its reverse (101202002), we obtain a palindrome (99000099).

The spelling of 200202101 in words is "two hundred million, two hundred two thousand, one hundred one".