122201220022120 has 16 divisors (see below), whose sum is σ = 274952745049860. Its totient is φ = 48880488008832.

The previous prime is 122201220022103. The next prime is 122201220022127. The reversal of 122201220022120 is 21220022102221.

It can be written as a sum of positive squares in 2 ways, for example, as 112109682770596 + 10091537251524 = 10588186^2 + 3176718^2 .

It is not an unprimeable number, because it can be changed into a prime (122201220022127) 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, 1527515250237 + ... + 1527515250316.

Almost surely, 2^{122201220022120} is an apocalyptic number.

122201220022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201220022120 is an abundant number, since it is smaller than the sum of its proper divisors (152751525027740).

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

122201220022120 is a wasteful number, since it uses less digits than its factorization.

122201220022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055030500564 (or 3055030500560 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122201220022120 its reverse (21220022102221), we get a palindrome (143421242124341).

The spelling of 122201220022120 in words is "one hundred twenty-two trillion, two hundred one billion, two hundred twenty million, twenty-two thousand, one hundred twenty".