122201019980 has 48 divisors (see below), whose sum is σ = 276441336864. Its totient is φ = 45107473920.

The previous prime is 122201019979. The next prime is 122201020013. The reversal of 122201019980 is 89910102221.

It is a self number, because there is not a number n which added to its sum of digits gives 122201019980.

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, 868775 + ... + 999585.

It is an arithmetic number, because the mean of its divisors is an integer number (5759194518).

Almost surely, 2^122201019980 is an apocalyptic number.

122201019980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201019980 is an abundant number, since it is smaller than the sum of its proper divisors (154240316884).

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

122201019980 is a wasteful number, since it uses less digits than its factorization.

122201019980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134426 (or 134424 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

It can be divided in two parts, 122 and 201019980, that added together give a palindrome (201020102).

The spelling of 122201019980 in words is "one hundred twenty-two billion, two hundred one million, nineteen thousand, nine hundred eighty".