122120020201 has 4 divisors (see below), whose sum is σ = 122120878932. Its totient is φ = 122119161472.

The previous prime is 122120020193. The next prime is 122120020213. The reversal of 122120020201 is 102020021221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 60093619600 + 62026400601 = 245140^2 + 249051^2 .

It is a cyclic number.

It is not a de Polignac number, because 122120020201 - 2³ = 122120020193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122120020261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159520 + ... + 519313.

It is an arithmetic number, because the mean of its divisors is an integer number (30530219733).

Almost surely, 2^122120020201 is an apocalyptic number.

It is an amenable number.

122120020201 is a deficient number, since it is larger than the sum of its proper divisors (858731).

122120020201 is an equidigital number, since it uses as much as digits as its factorization.

122120020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858730.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122120020201 its reverse (102020021221), we get a palindrome (224140041422).

The spelling of 122120020201 in words is "one hundred twenty-two billion, one hundred twenty million, twenty thousand, two hundred one".