221320001030201 has 24 divisors (see below), whose sum is σ = 228346715528640. Its totient is φ = 214445452301696.

The previous prime is 221320001030159. The next prime is 221320001030209. The reversal of 221320001030201 is 102030100023122.

It is not a de Polignac number, because 221320001030201 - 2²² = 221319996835897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221320001030201.

It is not an unprimeable number, because it can be changed into a prime (221320001030209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147399500 + ... + 148893426.

It is an arithmetic number, because the mean of its divisors is an integer number (9514446480360).

Almost surely, 2^{221320001030201} is an apocalyptic number.

It is an amenable number.

221320001030201 is a deficient number, since it is larger than the sum of its proper divisors (7026714498439).

221320001030201 is an equidigital number, since it uses as much as digits as its factorization.

221320001030201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494481 (or 1494392 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 221320001030201 its reverse (102030100023122), we get a palindrome (323350101053323).

The spelling of 221320001030201 in words is "two hundred twenty-one trillion, three hundred twenty billion, one million, thirty thousand, two hundred one".