10203320122201 has 4 divisors (see below), whose sum is σ = 10203327080100. Its totient is φ = 10203313164304.

The previous prime is 10203320122189. The next prime is 10203320122249. The reversal of 10203320122201 is 10222102330201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7161002760025 + 3042317362176 = 2676005^2 + 1744224^2 .

It is a cyclic number.

It is not a de Polignac number, because 10203320122201 - 2⁹ = 10203320121689 is a prime.

It is a super-2 number, since 2×10203320122201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10203320122291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328006 + ... + 4529263.

It is an arithmetic number, because the mean of its divisors is an integer number (2550831770025).

Almost surely, 2^{10203320122201} is an apocalyptic number.

It is an amenable number.

10203320122201 is a deficient number, since it is larger than the sum of its proper divisors (6957899).

10203320122201 is an equidigital number, since it uses as much as digits as its factorization.

10203320122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6957898.

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

Adding to 10203320122201 its reverse (10222102330201), we get a palindrome (20425422452402).

The spelling of 10203320122201 in words is "ten trillion, two hundred three billion, three hundred twenty million, one hundred twenty-two thousand, two hundred one".