202122011002220 has 48 divisors (see below), whose sum is σ = 425024483808288. Its totient is φ = 80740611095040.

The previous prime is 202122011002169. The next prime is 202122011002237. The reversal of 202122011002220 is 22200110221202.

It is a happy number.

202122011002220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67708274 + ... + 70630406.

It is an arithmetic number, because the mean of its divisors is an integer number (8854676746006).

Almost surely, 2^{202122011002220} is an apocalyptic number.

202122011002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202122011002220 is an abundant number, since it is smaller than the sum of its proper divisors (222902472806068).

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

202122011002220 is a wasteful number, since it uses less digits than its factorization.

202122011002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926770 (or 2926768 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202122011002220 its reverse (22200110221202), we get a palindrome (224322121223422).

The spelling of 202122011002220 in words is "two hundred two trillion, one hundred twenty-two billion, eleven million, two thousand, two hundred twenty".