202001010202221 has 8 divisors (see below), whose sum is σ = 269335238850720. Its totient is φ = 134667060844272.

The previous prime is 202001010202219. The next prime is 202001010202301. The reversal of 202001010202221 is 122202010100202.

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

It is not a de Polignac number, because 202001010202221 - 2¹ = 202001010202219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202001010202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001010206221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68129151 + ... + 71032268.

It is an arithmetic number, because the mean of its divisors is an integer number (33666904856340).

Almost surely, 2^{202001010202221} is an apocalyptic number.

It is an amenable number.

202001010202221 is a deficient number, since it is larger than the sum of its proper divisors (67334228648499).

202001010202221 is a wasteful number, since it uses less digits than its factorization.

202001010202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139645275.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202001010202221 its reverse (122202010100202), we get a palindrome (324203020302423).

The spelling of 202001010202221 in words is "two hundred two trillion, one billion, ten million, two hundred two thousand, two hundred twenty-one".