122222021201 has 8 divisors (see below), whose sum is σ = 139704095040. Its totient is φ = 104745393648.

The previous prime is 122222021177. The next prime is 122222021261. The reversal of 122222021201 is 102120222221.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-122222021201 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 122222021201.

It is not an unprimeable number, because it can be changed into a prime (122222021261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1313366 + ... + 1403343.

It is an arithmetic number, because the mean of its divisors is an integer number (17463011880).

Almost surely, 2^122222021201 is an apocalyptic number.

It is an amenable number.

122222021201 is a deficient number, since it is larger than the sum of its proper divisors (17482073839).

122222021201 is an equidigital number, since it uses as much as digits as its factorization.

122222021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723143.

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

Adding to 122222021201 its reverse (102120222221), we get a palindrome (224342243422).

It can be divided in two parts, 1222220 and 21201, that added together give a palindrome (1243421).

The spelling of 122222021201 in words is "one hundred twenty-two billion, two hundred twenty-two million, twenty-one thousand, two hundred one".