122201220020220 has 96 divisors (see below), whose sum is σ = 414743534634240. Its totient is φ = 29624538185280.

The previous prime is 122201220020189. The next prime is 122201220020267. The reversal of 122201220020220 is 22020022102221.

122201220020220 is a `hidden beast` number, since 1 + 2 + 2 + 201 + 220 + 0 + 20 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122201220020193 and 122201220020202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10286292042 + ... + 10286303921.

It is an arithmetic number, because the mean of its divisors is an integer number (4320245152440).

Almost surely, 2^{122201220020220} is an apocalyptic number.

122201220020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201220020220 is an abundant number, since it is smaller than the sum of its proper divisors (292542314614020).

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

122201220020220 is a wasteful number, since it uses less digits than its factorization.

122201220020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20572595992 (or 20572595984 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 122201220020220 its reverse (22020022102221), we get a palindrome (144221242122441).

The spelling of 122201220020220 in words is "one hundred twenty-two trillion, two hundred one billion, two hundred twenty million, twenty thousand, two hundred twenty".