122201110122020 has 24 divisors (see below), whose sum is σ = 256624266145464. Its totient is φ = 48880075498496.

The previous prime is 122201110122019. The next prime is 122201110122023. The reversal of 122201110122020 is 20221011102221.

122201110122020 is digitally balanced in base 3, 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 5351236599076 + 116849873522944 = 2313274^2 + 10809712^2 .

It is a super-2 number, since 2×122201110122020² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122201110122020.

It is not an unprimeable number, because it can be changed into a prime (122201110122023) 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, 20307629 + ... + 25628148.

It is an arithmetic number, because the mean of its divisors is an integer number (10692677756061).

Almost surely, 2^{122201110122020} is an apocalyptic number.

122201110122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201110122020 is an abundant number, since it is smaller than the sum of its proper divisors (134423156023444).

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

122201110122020 is a wasteful number, since it uses less digits than its factorization.

122201110122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46068799 (or 46068797 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122201110122020 its reverse (20221011102221), we get a palindrome (142422121224241).

The spelling of 122201110122020 in words is "one hundred twenty-two trillion, two hundred one billion, one hundred ten million, one hundred twenty-two thousand, twenty".