122116220 has 12 divisors (see below), whose sum is σ = 256444104. Its totient is φ = 48846480.

The previous prime is 122116213. The next prime is 122116229. The reversal of 122116220 is 22611221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122116229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3052886 + ... + 3052925.

It is an arithmetic number, because the mean of its divisors is an integer number (21370342).

Almost surely, 2^122116220 is an apocalyptic number.

122116220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122116220 is an abundant number, since it is smaller than the sum of its proper divisors (134327884).

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

122116220 is a wasteful number, since it uses less digits than its factorization.

122116220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105820 (or 6105818 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 122116220 is about 11050.6207970412. The cubic root of 122116220 is about 496.1250064300.

Adding to 122116220 its reverse (22611221), we get a palindrome (144727441).

The spelling of 122116220 in words is "one hundred twenty-two million, one hundred sixteen thousand, two hundred twenty".