122201202220 has 12 divisors (see below), whose sum is σ = 256622524704. Its totient is φ = 48880480880.

The previous prime is 122201202209. The next prime is 122201202251. The reversal of 122201202220 is 22202102221.

It is a junction number, because it is equal to n+sod(n) for n = 122201202194 and 122201202203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055030036 + ... + 3055030075.

It is an arithmetic number, because the mean of its divisors is an integer number (21385210392).

Almost surely, 2^122201202220 is an apocalyptic number.

122201202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201202220 is an abundant number, since it is smaller than the sum of its proper divisors (134421322484).

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

122201202220 is a wasteful number, since it uses less digits than its factorization.

122201202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110060120 (or 6110060118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122201202220 its reverse (22202102221), we get a palindrome (144403304441).

Subtracting from 122201202220 its reverse (22202102221), we obtain a palindrome (99999099999).

The spelling of 122201202220 in words is "one hundred twenty-two billion, two hundred one million, two hundred two thousand, two hundred twenty".