202002101 has 4 divisors (see below), whose sum is σ = 230859552. Its totient is φ = 173144652.

The previous prime is 202002071. The next prime is 202002113. The reversal of 202002101 is 101200202.

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 not a de Polignac number, because 202002101 - 2¹⁰ = 202001077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202002191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14428715 + ... + 14428728.

It is an arithmetic number, because the mean of its divisors is an integer number (57714888).

Almost surely, 2^202002101 is an apocalyptic number.

It is an amenable number.

202002101 is a deficient number, since it is larger than the sum of its proper divisors (28857451).

202002101 is an equidigital number, since it uses as much as digits as its factorization.

202002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28857450.

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

The square root of 202002101 is about 14212.7443162818. The cubic root of 202002101 is about 586.7484650851.

Adding to 202002101 its reverse (101200202), we get a palindrome (303202303).

The spelling of 202002101 in words is "two hundred two million, two thousand, one hundred one".