223221203201001 has 4 divisors (see below), whose sum is σ = 297628270934672. Its totient is φ = 148814135467332.

The previous prime is 223221203200999. The next prime is 223221203201011. The reversal of 223221203201001 is 100102302122322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 223221203201001 - 2¹ = 223221203200999 is a prime.

It is a super-3 number, since 3×223221203201001³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223221203201011) 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, 37203533866831 + ... + 37203533866836.

It is an arithmetic number, because the mean of its divisors is an integer number (74407067733668).

Almost surely, 2^{223221203201001} is an apocalyptic number.

It is an amenable number.

223221203201001 is a deficient number, since it is larger than the sum of its proper divisors (74407067733671).

223221203201001 is an equidigital number, since it uses as much as digits as its factorization.

223221203201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74407067733670.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 223221203201001 its reverse (100102302122322), we get a palindrome (323323505323323).

The spelling of 223221203201001 in words is "two hundred twenty-three trillion, two hundred twenty-one billion, two hundred three million, two hundred one thousand, one".