10221220033201 has 4 divisors (see below), whose sum is σ = 10223418622500. Its totient is φ = 10219021443904.

The previous prime is 10221220033183. The next prime is 10221220033217. The reversal of 10221220033201 is 10233002212201.

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 8885311718976 + 1335908314225 = 2980824^2 + 1155815^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221220033201 - 2²⁹ = 10220683162289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221220033901) 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, 1099287676 + ... + 1099296973.

It is an arithmetic number, because the mean of its divisors is an integer number (2555854655625).

Almost surely, 2^{10221220033201} is an apocalyptic number.

It is an amenable number.

10221220033201 is a deficient number, since it is larger than the sum of its proper divisors (2198589299).

10221220033201 is an equidigital number, since it uses as much as digits as its factorization.

10221220033201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198589298.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10221220033201 its reverse (10233002212201), we get a palindrome (20454222245402).

The spelling of 10221220033201 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty million, thirty-three thousand, two hundred one".