122201121220120 has 16 divisors (see below), whose sum is σ = 274952522745360. Its totient is φ = 48880448488032.

The previous prime is 122201121220067. The next prime is 122201121220127. The reversal of 122201121220120 is 21022121102221.

It is a super-2 number, since 2×122201121220120² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201121220127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527514015212 + ... + 1527514015291.

It is an arithmetic number, because the mean of its divisors is an integer number (17184532671585).

Almost surely, 2^{122201121220120} is an apocalyptic number.

122201121220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201121220120 is an abundant number, since it is smaller than the sum of its proper divisors (152751401525240).

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

122201121220120 is a wasteful number, since it uses less digits than its factorization.

122201121220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055028030514 (or 3055028030510 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122201121220120 its reverse (21022121102221), we get a palindrome (143223242322341).

The spelling of 122201121220120 in words is "one hundred twenty-two trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twenty".