222320032121 has 8 divisors (see below), whose sum is σ = 245256012000. Its totient is φ = 199838230240.

The previous prime is 222320032097. The next prime is 222320032127. The reversal of 222320032121 is 121230023222.

It is a happy number.

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

It is not a de Polignac number, because 222320032121 - 2¹⁴ = 222320015737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222320032093 and 222320032102.

It is not an unprimeable number, because it can be changed into a prime (222320032127) 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, 113543471 + ... + 113545428.

It is an arithmetic number, because the mean of its divisors is an integer number (30657001500).

Almost surely, 2^222320032121 is an apocalyptic number.

It is an amenable number.

222320032121 is a deficient number, since it is larger than the sum of its proper divisors (22935979879).

222320032121 is a wasteful number, since it uses less digits than its factorization.

222320032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227088999.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222320032121 its reverse (121230023222), we get a palindrome (343550055343).

The spelling of 222320032121 in words is "two hundred twenty-two billion, three hundred twenty million, thirty-two thousand, one hundred twenty-one".