202202120221 has 8 divisors (see below), whose sum is σ = 202328907264. Its totient is φ = 202075379520.

The previous prime is 202202120173. The next prime is 202202120261. The reversal of 202202120221 is 122021202202.

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 202202120221 - 2²⁷ = 202067902493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202202120195 and 202202120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202202120261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12580036 + ... + 12596098.

It is an arithmetic number, because the mean of its divisors is an integer number (25291113408).

Almost surely, 2^202202120221 is an apocalyptic number.

It is an amenable number.

202202120221 is a deficient number, since it is larger than the sum of its proper divisors (126787043).

202202120221 is a wasteful number, since it uses less digits than its factorization.

202202120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23171.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202202120221 its reverse (122021202202), we get a palindrome (324223322423).

The spelling of 202202120221 in words is "two hundred two billion, two hundred two million, one hundred twenty thousand, two hundred twenty-one".