202122221120 has 56 divisors (see below), whose sum is σ = 481897627008. Its totient is φ = 80749094400.

The previous prime is 202122221117. The next prime is 202122221129. The reversal of 202122221120 is 21122221202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (202122221129) 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, 129896 + ... + 648935.

It is an arithmetic number, because the mean of its divisors is an integer number (8605314768).

Almost surely, 2^202122221120 is an apocalyptic number.

202122221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202122221120 is an abundant number, since it is smaller than the sum of its proper divisors (279775405888).

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

202122221120 is an equidigital number, since it uses as much as digits as its factorization.

202122221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779659 (or 779649 counting only the distinct ones).

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

Adding to 202122221120 its reverse (21122221202), we get a palindrome (223244442322).

The spelling of 202122221120 in words is "two hundred two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty".