122201111120 has 40 divisors (see below), whose sum is σ = 309946456800. Its totient is φ = 44436767360.

The previous prime is 122201111077. The next prime is 122201111141. The reversal of 122201111120 is 21111102221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×122201111120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122201111095 and 122201111104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69431570 + ... + 69433329.

It is an arithmetic number, because the mean of its divisors is an integer number (7748661420).

Almost surely, 2^122201111120 is an apocalyptic number.

122201111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201111120 is an abundant number, since it is smaller than the sum of its proper divisors (187745345680).

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

122201111120 is a wasteful number, since it uses less digits than its factorization.

122201111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138864923 (or 138864917 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122201111120 its reverse (21111102221), we get a palindrome (143312213341).

The spelling of 122201111120 in words is "one hundred twenty-two billion, two hundred one million, one hundred eleven thousand, one hundred twenty".