122122210201 has 4 divisors (see below), whose sum is σ = 122941822500. Its totient is φ = 121302597904.

The previous prime is 122122210183. The next prime is 122122210219. The reversal of 122122210201 is 102012221221.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (122122210183) and next prime (122122210219).

It can be written as a sum of positive squares in 2 ways, for example, as 7388262025 + 114733948176 = 85955^2 + 338724^2 .

It is a cyclic number.

It is not a de Polignac number, because 122122210201 - 2¹⁷ = 122122079129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122122210601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409805926 + ... + 409806223.

It is an arithmetic number, because the mean of its divisors is an integer number (30735455625).

Almost surely, 2^122122210201 is an apocalyptic number.

It is an amenable number.

122122210201 is a deficient number, since it is larger than the sum of its proper divisors (819612299).

122122210201 is an equidigital number, since it uses as much as digits as its factorization.

122122210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819612298.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122122210201 its reverse (102012221221), we get a palindrome (224134431422).

The spelling of 122122210201 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred ten thousand, two hundred one".