221321332301 has 8 divisors (see below), whose sum is σ = 222454656000. Its totient is φ = 220188220560.

The previous prime is 221321332277. The next prime is 221321332303. The reversal of 221321332301 is 103233123122.

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 221321332301 - 2¹⁰ = 221321331277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221321332303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2308991 + ... + 2402931.

It is an arithmetic number, because the mean of its divisors is an integer number (27806832000).

Almost surely, 2^221321332301 is an apocalyptic number.

It is an amenable number.

221321332301 is a deficient number, since it is larger than the sum of its proper divisors (1133323699).

221321332301 is a wasteful number, since it uses less digits than its factorization.

221321332301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105979.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 221321332301 its reverse (103233123122), we get a palindrome (324554455423).

The spelling of 221321332301 in words is "two hundred twenty-one billion, three hundred twenty-one million, three hundred thirty-two thousand, three hundred one".