231120222321 has 8 divisors (see below), whose sum is σ = 308952483840. Its totient is φ = 153684054512.

The previous prime is 231120222317. The next prime is 231120222323. The reversal of 231120222321 is 123222021132.

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 231120222321 - 2² = 231120222317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231120222323) 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, 99022065 + ... + 99024398.

It is an arithmetic number, because the mean of its divisors is an integer number (38619060480).

Almost surely, 2^231120222321 is an apocalyptic number.

It is an amenable number.

231120222321 is a deficient number, since it is larger than the sum of its proper divisors (77832261519).

231120222321 is a wasteful number, since it uses less digits than its factorization.

231120222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198046855.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 231120222321 its reverse (123222021132), we get a palindrome (354342243453).

The spelling of 231120222321 in words is "two hundred thirty-one billion, one hundred twenty million, two hundred twenty-two thousand, three hundred twenty-one".