202221020121222 has 8 divisors (see below), whose sum is σ = 404442040242456. Its totient is φ = 67407006707072.

The previous prime is 202221020121181. The next prime is 202221020121227. The reversal of 202221020121222 is 222121020122202.

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

202221020121222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202221020121227) 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 3 ways as a sum of consecutive naturals, for example, 16851751676763 + ... + 16851751676774.

It is an arithmetic number, because the mean of its divisors is an integer number (50555255030307).

Almost surely, 2^{202221020121222} is an apocalyptic number.

202221020121222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202221020121222 is a wasteful number, since it uses less digits than its factorization.

202221020121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33703503353542.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202221020121222 its reverse (222121020122202), we get a palindrome (424342040243424).

The spelling of 202221020121222 in words is "two hundred two trillion, two hundred twenty-one billion, twenty million, one hundred twenty-one thousand, two hundred twenty-two".