20200122100201 has 2 divisors, whose sum is σ = 20200122100202. Its totient is φ = 20200122100200.

The previous prime is 20200122100133. The next prime is 20200122100253. The reversal of 20200122100201 is 10200122100202.

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., 10691748990976 + 9508373109225 = 3269824^2 + 3083565^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200122100201 - 2¹⁹ = 20200121575913 is a prime.

It is not a weakly prime, because it can be changed into another prime (20200122100001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100061050100 + 10100061050101.

It is an arithmetic number, because the mean of its divisors is an integer number (10100061050101).

Almost surely, 2^{20200122100201} is an apocalyptic number.

It is an amenable number.

20200122100201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200122100201 is an equidigital number, since it uses as much as digits as its factorization.

20200122100201 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 20200122100201 its reverse (10200122100202), we get a palindrome (30400244200403).

Subtracting from 20200122100201 its reverse (10200122100202), we obtain a palindrome (9999999999999).

The spelling of 20200122100201 in words is "twenty trillion, two hundred billion, one hundred twenty-two million, one hundred thousand, two hundred one".