10200433001221 has 4 divisors (see below), whose sum is σ = 10213628904972. Its totient is φ = 10187237097472.

The previous prime is 10200433001191. The next prime is 10200433001249. The reversal of 10200433001221 is 12210033400201.

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 171715756996 + 10028717244225 = 414386^2 + 3166815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10200433001221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200433001921) 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, 6597950716 + ... + 6597952261.

It is an arithmetic number, because the mean of its divisors is an integer number (2553407226243).

Almost surely, 2^{10200433001221} is an apocalyptic number.

It is an amenable number.

10200433001221 is a deficient number, since it is larger than the sum of its proper divisors (13195903751).

10200433001221 is an equidigital number, since it uses as much as digits as its factorization.

10200433001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13195903750.

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

Adding to 10200433001221 its reverse (12210033400201), we get a palindrome (22410466401422).

The spelling of 10200433001221 in words is "ten trillion, two hundred billion, four hundred thirty-three million, one thousand, two hundred twenty-one".