122220222201 has 54 divisors (see below), whose sum is σ = 225729930426. Its totient is φ = 63490996800.

The previous prime is 122220222199. The next prime is 122220222217. The reversal of 122220222201 is 102222022221.

122220222201 is a `hidden beast` number, since 1 + 22 + 220 + 222 + 201 = 666.

It can be written as a sum of positive squares in only one way, i.e., 105186056976 + 17034165225 = 324324^2 + 130515^2 .

It is not a de Polignac number, because 122220222201 - 2¹ = 122220222199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220222001) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1091860 + ... + 1198581.

Almost surely, 2^122220222201 is an apocalyptic number.

122220222201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122220222201 is a deficient number, since it is larger than the sum of its proper divisors (103509708225).

122220222201 is a wasteful number, since it uses less digits than its factorization.

122220222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290483 (or 2290462 counting only the distinct ones).

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

Adding to 122220222201 its reverse (102222022221), we get a palindrome (224442244422).

It can be divided in two parts, 12222022220 and 1, that added together give a palindrome (12222022221).

The spelling of 122220222201 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred twenty-two thousand, two hundred one".