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20222122201 is a prime number
BaseRepresentation
bin10010110101010101…
…010001100011011001
31221012022111020121221
4102311111101203121
5312403330402301
613142342132041
71314060126331
oct226525214331
957168436557
1020222122201
118637951796
123b04421021
131ba37092a8
14d9b9c60c1
157d54e4da1
hex4b55518d9

20222122201 has 2 divisors, whose sum is σ = 20222122202. Its totient is φ = 20222122200.

The previous prime is 20222122159. The next prime is 20222122247. The reversal of 20222122201 is 10222122202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17969670601 + 2252451600 = 134051^2 + 47460^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222122201 - 217 = 20221991129 is a prime.

It is not a weakly prime, because it can be changed into another prime (20222122301) 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, 10111061100 + 10111061101.

It is an arithmetic number, because the mean of its divisors is an integer number (10111061101).

Almost surely, 220222122201 is an apocalyptic number.

It is an amenable number.

20222122201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222122201 is an equidigital number, since it uses as much as digits as its factorization.

20222122201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20222122201 its reverse (10222122202), we get a palindrome (30444244403).

Subtracting from 20222122201 its reverse (10222122202), we obtain a palindrome (9999999999).

It can be divided in two parts, 202221 and 22201, that added together give a palindrome (224422).

The spelling of 20222122201 in words is "twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred one".