202122022110221 has 8 divisors (see below), whose sum is σ = 205559765720640. Its totient is φ = 198684676720768.

The previous prime is 202122022110163. The next prime is 202122022110227. The reversal of 202122022110221 is 122011220221202.

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 202122022110221 - 2¹⁴ = 202122022093837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202122022110193 and 202122022110202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122022110227) 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, 98531396 + ... + 100561821.

It is an arithmetic number, because the mean of its divisors is an integer number (25694970715080).

Almost surely, 2^{202122022110221} is an apocalyptic number.

It is an amenable number.

202122022110221 is a deficient number, since it is larger than the sum of its proper divisors (3437743610419).

202122022110221 is a wasteful number, since it uses less digits than its factorization.

202122022110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199110483.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202122022110221 its reverse (122011220221202), we get a palindrome (324133242331423).

The spelling of 202122022110221 in words is "two hundred two trillion, one hundred twenty-two billion, twenty-two million, one hundred ten thousand, two hundred twenty-one".