202000011221 has 8 divisors (see below), whose sum is σ = 202475848704. Its totient is φ = 201524645520.

The previous prime is 202000011179. The next prime is 202000011277. The reversal of 202000011221 is 122110000202.

It is a happy number.

202000011221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 202000011221 - 2²² = 201995816917 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 (202000011721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746831 + ... + 980691.

It is an arithmetic number, because the mean of its divisors is an integer number (25309481088).

Almost surely, 2^202000011221 is an apocalyptic number.

It is an amenable number.

202000011221 is a deficient number, since it is larger than the sum of its proper divisors (475837483).

202000011221 is a wasteful number, since it uses less digits than its factorization.

202000011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235891.

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

Adding to 202000011221 its reverse (122110000202), we get a palindrome (324110011423).

The spelling of 202000011221 in words is "two hundred two billion, eleven thousand, two hundred twenty-one".