20221200101 has 2 divisors, whose sum is σ = 20221200102. Its totient is φ = 20221200100.

The previous prime is 20221200089. The next prime is 20221200107. The reversal of 20221200101 is 10100212202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14330484100 + 5890716001 = 119710^2 + 76751^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221200101 - 2⁶ = 20221200037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221200107) 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, 10110600050 + 10110600051.

It is an arithmetic number, because the mean of its divisors is an integer number (10110600051).

Almost surely, 2^20221200101 is an apocalyptic number.

It is an amenable number.

20221200101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221200101 is an equidigital number, since it uses as much as digits as its factorization.

20221200101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20221200101 its reverse (10100212202), we get a palindrome (30321412303).

The spelling of 20221200101 in words is "twenty billion, two hundred twenty-one million, two hundred thousand, one hundred one".