10021100021201 has 4 divisors (see below), whose sum is σ = 10055301728052. Its totient is φ = 9986898314352.

The previous prime is 10021100021197. The next prime is 10021100021213. The reversal of 10021100021201 is 10212000112001.

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 5295410982976 + 4725689038225 = 2301176^2 + 2173865^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021100021201 - 2² = 10021100021197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021100051201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17100852986 + ... + 17100853571.

It is an arithmetic number, because the mean of its divisors is an integer number (2513825432013).

Almost surely, 2^{10021100021201} is an apocalyptic number.

It is an amenable number.

10021100021201 is a deficient number, since it is larger than the sum of its proper divisors (34201706851).

10021100021201 is an equidigital number, since it uses as much as digits as its factorization.

10021100021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34201706850.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10021100021201 its reverse (10212000112001), we get a palindrome (20233100133202).

The spelling of 10021100021201 in words is "ten trillion, twenty-one billion, one hundred million, twenty-one thousand, two hundred one".