122220102221 has 8 divisors (see below), whose sum is σ = 147031702080. Its totient is φ = 99246398688.

The previous prime is 122220102181. The next prime is 122220102239. The reversal of 122220102221 is 122201022221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122220102221 - 2³⁰ = 121146360397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122220102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220102271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459473936 + ... + 459474201.

It is an arithmetic number, because the mean of its divisors is an integer number (18378962760).

Almost surely, 2^122220102221 is an apocalyptic number.

It is an amenable number.

122220102221 is a deficient number, since it is larger than the sum of its proper divisors (24811599859).

122220102221 is an equidigital number, since it uses as much as digits as its factorization.

122220102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918948163.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122220102221 its reverse (122201022221), we get a palindrome (244421124442).

It can be divided in two parts, 1 and 22220102221, that added together give a palindrome (22220102222).

The spelling of 122220102221 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred two thousand, two hundred twenty-one".