20222201123 has 2 divisors, whose sum is σ = 20222201124. Its totient is φ = 20222201122.

The previous prime is 20222201117. The next prime is 20222201141. The reversal of 20222201123 is 32110222202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20222201123 - 2⁴ = 20222201107 is a prime.

It is a super-2 number, since 2×20222201123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20222201173) 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, 10111100561 + 10111100562.

It is an arithmetic number, because the mean of its divisors is an integer number (10111100562).

Almost surely, 2^20222201123 is an apocalyptic number.

20222201123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222201123 is an equidigital number, since it uses as much as digits as its factorization.

20222201123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20222201123 its reverse (32110222202), we get a palindrome (52332423325).

The spelling of 20222201123 in words is "twenty billion, two hundred twenty-two million, two hundred one thousand, one hundred twenty-three".