202130221001 has 8 divisors (see below), whose sum is σ = 206394752424. Its totient is φ = 197906112000.

The previous prime is 202130220997. The next prime is 202130221019. The reversal of 202130221001 is 100122031202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 68539240000 + 133590981001 = 261800^2 + 365501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202130221001 - 2² = 202130220997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202130221061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10095500 + ... + 10115501.

It is an arithmetic number, because the mean of its divisors is an integer number (25799344053).

Almost surely, 2^202130221001 is an apocalyptic number.

It is an amenable number.

202130221001 is a deficient number, since it is larger than the sum of its proper divisors (4264531423).

202130221001 is a wasteful number, since it uses less digits than its factorization.

202130221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20211211.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 202130221001 its reverse (100122031202), we get a palindrome (302252252203).

The spelling of 202130221001 in words is "two hundred two billion, one hundred thirty million, two hundred twenty-one thousand, one".