202000101000221 has 4 divisors (see below), whose sum is σ = 206697777767712. Its totient is φ = 197302424232732.

The previous prime is 202000101000167. The next prime is 202000101000223. The reversal of 202000101000221 is 122000101000202.

It is a happy number.

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 202000101000221 - 2⁶ = 202000101000157 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 (202000101000223) 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, 2348838383681 + ... + 2348838383766.

It is an arithmetic number, because the mean of its divisors is an integer number (51674444441928).

Almost surely, 2^{202000101000221} is an apocalyptic number.

It is an amenable number.

202000101000221 is a deficient number, since it is larger than the sum of its proper divisors (4697676767491).

202000101000221 is an equidigital number, since it uses as much as digits as its factorization.

202000101000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697676767490.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202000101000221 its reverse (122000101000202), we get a palindrome (324000202000423).

The spelling of 202000101000221 in words is "two hundred two trillion, one hundred one million, two hundred twenty-one", and thus it is an aban number.