232221201432121 has 16 divisors (see below), whose sum is σ = 256422671124480. Its totient is φ = 208535566018320.

The previous prime is 232221201432097. The next prime is 232221201432167. The reversal of 232221201432121 is 121234102122232.

It is a cyclic number.

It is not a de Polignac number, because 232221201432121 - 2⁵ = 232221201432089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232221201432121.

It is not an unprimeable number, because it can be changed into a prime (232221201432191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12852981 + ... + 25092658.

It is an arithmetic number, because the mean of its divisors is an integer number (16026416945280).

Almost surely, 2^{232221201432121} is an apocalyptic number.

It is an amenable number.

232221201432121 is a deficient number, since it is larger than the sum of its proper divisors (24201469692359).

232221201432121 is a wasteful number, since it uses less digits than its factorization.

232221201432121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37952436.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 232221201432121 its reverse (121234102122232), we get a palindrome (353455303554353).

The spelling of 232221201432121 in words is "two hundred thirty-two trillion, two hundred twenty-one billion, two hundred one million, four hundred thirty-two thousand, one hundred twenty-one".