20211010112201 has 2 divisors, whose sum is σ = 20211010112202. Its totient is φ = 20211010112200.

The previous prime is 20211010112197. The next prime is 20211010112219. The reversal of 20211010112201 is 10221101011202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12307326912400 + 7903683199801 = 3508180^2 + 2811349^2 .

It is a cyclic number.

It is not a de Polignac number, because 20211010112201 - 2² = 20211010112197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20211010112261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105505056100 + 10105505056101.

It is an arithmetic number, because the mean of its divisors is an integer number (10105505056101).

Almost surely, 2^{20211010112201} is an apocalyptic number.

It is an amenable number.

20211010112201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211010112201 is an equidigital number, since it uses as much as digits as its factorization.

20211010112201 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 14.

Adding to 20211010112201 its reverse (10221101011202), we get a palindrome (30432111123403).

The spelling of 20211010112201 in words is "twenty trillion, two hundred eleven billion, ten million, one hundred twelve thousand, two hundred one".