221330311223001 has 8 divisors (see below), whose sum is σ = 310639033295520. Its totient is φ = 139787564982912.

The previous prime is 221330311222991. The next prime is 221330311223003. The reversal of 221330311223001 is 100322113033122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221330311223001 - 2⁷ = 221330311222873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221330311223003) 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 7 ways as a sum of consecutive naturals, for example, 1941493958040 + ... + 1941493958153.

It is an arithmetic number, because the mean of its divisors is an integer number (38829879161940).

Almost surely, 2^{221330311223001} is an apocalyptic number.

It is an amenable number.

221330311223001 is a deficient number, since it is larger than the sum of its proper divisors (89308722072519).

221330311223001 is a wasteful number, since it uses less digits than its factorization.

221330311223001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882987916215.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 221330311223001 its reverse (100322113033122), we get a palindrome (321652424256123).

The spelling of 221330311223001 in words is "two hundred twenty-one trillion, three hundred thirty billion, three hundred eleven million, two hundred twenty-three thousand, one".