221222320001 has 8 divisors (see below), whose sum is σ = 228739776000. Its totient is φ = 213728692320.

The previous prime is 221222319979. The next prime is 221222320003. The reversal of 221222320001 is 100023222122.

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 221222320001 - 2²² = 221218125697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221222320003) 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, 5938196 + ... + 5975333.

It is an arithmetic number, because the mean of its divisors is an integer number (28592472000).

Almost surely, 2^221222320001 is an apocalyptic number.

It is an amenable number.

221222320001 is a deficient number, since it is larger than the sum of its proper divisors (7517455999).

221222320001 is a wasteful number, since it uses less digits than its factorization.

221222320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11914159.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 221222320001 its reverse (100023222122), we get a palindrome (321245542123).

The spelling of 221222320001 in words is "two hundred twenty-one billion, two hundred twenty-two million, three hundred twenty thousand, one".