202030221001 has 4 divisors (see below), whose sum is σ = 230891681152. Its totient is φ = 173168760852.

The previous prime is 202030220981. The next prime is 202030221007. The reversal of 202030221001 is 100122030202.

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 202030221001 - 2⁵ = 202030220969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202030221007) 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, 14430730065 + ... + 14430730078.

It is an arithmetic number, because the mean of its divisors is an integer number (57722920288).

Almost surely, 2^202030221001 is an apocalyptic number.

It is an amenable number.

202030221001 is a deficient number, since it is larger than the sum of its proper divisors (28861460151).

202030221001 is an equidigital number, since it uses as much as digits as its factorization.

202030221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28861460150.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 202030221001 its reverse (100122030202), we get a palindrome (302152251203).

The spelling of 202030221001 in words is "two hundred two billion, thirty million, two hundred twenty-one thousand, one".