122201022120 has 32 divisors (see below), whose sum is σ = 366603066720. Its totient is φ = 32586939200.

The previous prime is 122201022101. The next prime is 122201022131. The reversal of 122201022120 is 21220102221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122201022120.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 509170806 + ... + 509171045.

It is an arithmetic number, because the mean of its divisors is an integer number (11456345835).

Almost surely, 2^122201022120 is an apocalyptic number.

122201022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201022120 is an abundant number, since it is smaller than the sum of its proper divisors (244402044600).

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

122201022120 is a wasteful number, since it uses less digits than its factorization.

122201022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018341865 (or 1018341861 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122201022120 its reverse (21220102221), we get a palindrome (143421124341).

The spelling of 122201022120 in words is "one hundred twenty-two billion, two hundred one million, twenty-two thousand, one hundred twenty".