122212022201 has 4 divisors (see below), whose sum is σ = 122287416804. Its totient is φ = 122136627600.

The previous prime is 122212022197. The next prime is 122212022203. The reversal of 122212022201 is 102220212221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76554589225 + 45657432976 = 276685^2 + 213676^2 .

It is a cyclic number.

It is not a de Polignac number, because 122212022201 - 2² = 122212022197 is a prime.

It is a super-3 number, since 3×122212022201³ (a number of 34 digits) contains 333 as substring.

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 122212022201.

It is not an unprimeable number, because it can be changed into a prime (122212022203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37694870 + ... + 37698111.

It is an arithmetic number, because the mean of its divisors is an integer number (30571854201).

Almost surely, 2^122212022201 is an apocalyptic number.

It is an amenable number.

122212022201 is a deficient number, since it is larger than the sum of its proper divisors (75394603).

122212022201 is an equidigital number, since it uses as much as digits as its factorization.

122212022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75394602.

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

Adding to 122212022201 its reverse (102220212221), we get a palindrome (224432234422).

The spelling of 122212022201 in words is "one hundred twenty-two billion, two hundred twelve million, twenty-two thousand, two hundred one".