221121032323201 has 8 divisors (see below), whose sum is σ = 221925382867584. Its totient is φ = 220316725518000.

The previous prime is 221121032323199. The next prime is 221121032323229. The reversal of 221121032323201 is 102323230121122.

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

It is a cyclic number.

It is not a de Polignac number, because 221121032323201 - 2¹ = 221121032323199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221121032393201) 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 7 ways as a sum of consecutive naturals, for example, 788425 + ... + 21044326.

It is an arithmetic number, because the mean of its divisors is an integer number (27740672858448).

Almost surely, 2^{221121032323201} is an apocalyptic number.

It is an amenable number.

221121032323201 is a deficient number, since it is larger than the sum of its proper divisors (804350544383).

221121032323201 is a wasteful number, since it uses less digits than its factorization.

221121032323201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21869591.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 221121032323201 its reverse (102323230121122), we get a palindrome (323444262444323).

The spelling of 221121032323201 in words is "two hundred twenty-one trillion, one hundred twenty-one billion, thirty-two million, three hundred twenty-three thousand, two hundred one".