10211211100201 has 4 divisors (see below), whose sum is σ = 10212441819732. Its totient is φ = 10209980380672.

The previous prime is 10211211100159. The next prime is 10211211100213. The reversal of 10211211100201 is 10200111211201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5846554741225 + 4364656358976 = 2417965^2 + 2089176^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211211100201 - 2¹³ = 10211211092009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211211100231) 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 in 3 ways as a sum of consecutive naturals, for example, 615347320 + ... + 615363913.

It is an arithmetic number, because the mean of its divisors is an integer number (2553110454933).

Almost surely, 2^{10211211100201} is an apocalyptic number.

It is an amenable number.

10211211100201 is a deficient number, since it is larger than the sum of its proper divisors (1230719531).

10211211100201 is an equidigital number, since it uses as much as digits as its factorization.

10211211100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230719530.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10211211100201 its reverse (10200111211201), we get a palindrome (20411322311402).

The spelling of 10211211100201 in words is "ten trillion, two hundred eleven billion, two hundred eleven million, one hundred thousand, two hundred one".