122210220221 has 8 divisors (see below), whose sum is σ = 122461960320. Its totient is φ = 121958629408.

The previous prime is 122210220203. The next prime is 122210220241. The reversal of 122210220221 is 122022012221.

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 122210220221 - 2³⁴ = 105030351037 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 122210220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210220241) 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, 1682585 + ... + 1753713.

It is an arithmetic number, because the mean of its divisors is an integer number (15307745040).

Almost surely, 2^122210220221 is an apocalyptic number.

It is an amenable number.

122210220221 is a deficient number, since it is larger than the sum of its proper divisors (251740099).

122210220221 is an equidigital number, since it uses as much as digits as its factorization.

122210220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74643.

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

Adding to 122210220221 its reverse (122022012221), we get a palindrome (244232232442).

The spelling of 122210220221 in words is "one hundred twenty-two billion, two hundred ten million, two hundred twenty thousand, two hundred twenty-one".