220120012201 has 2 divisors, whose sum is σ = 220120012202. Its totient is φ = 220120012200.

The previous prime is 220120012183. The next prime is 220120012237. The reversal of 220120012201 is 102210021022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120405530025 + 99714482176 = 346995^2 + 315776^2 .

It is a cyclic number.

It is not a de Polignac number, because 220120012201 - 2⁵ = 220120012169 is a prime.

It is not a weakly prime, because it can be changed into another prime (220120019201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110060006100 + 110060006101.

It is an arithmetic number, because the mean of its divisors is an integer number (110060006101).

Almost surely, 2^220120012201 is an apocalyptic number.

It is an amenable number.

220120012201 is a deficient number, since it is larger than the sum of its proper divisors (1).

220120012201 is an equidigital number, since it uses as much as digits as its factorization.

220120012201 is an odious number, because the sum of its binary digits is odd.

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

Adding to 220120012201 its reverse (102210021022), we get a palindrome (322330033223).

The spelling of 220120012201 in words is "two hundred twenty billion, one hundred twenty million, twelve thousand, two hundred one".