202122120202 has 16 divisors (see below), whose sum is σ = 305986930920. Its totient is φ = 100126611648.

The previous prime is 202122120157. The next prime is 202122120203. The reversal of 202122120202 is 202021221202.

202122120202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 180004184361 + 22117935841 = 424269^2 + 148721^2 .

It is not an unprimeable number, because it can be changed into a prime (202122120203) 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, 4169568 + ... + 4217764.

Almost surely, 2^202122120202 is an apocalyptic number.

202122120202 is a deficient number, since it is larger than the sum of its proper divisors (103864810718).

202122120202 is a wasteful number, since it uses less digits than its factorization.

202122120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67545.

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

Adding to 202122120202 its reverse (202021221202), we get a palindrome (404143341404).

The spelling of 202122120202 in words is "two hundred two billion, one hundred twenty-two million, one hundred twenty thousand, two hundred two".