230122231221 has 16 divisors (see below), whose sum is σ = 307430023680. Its totient is φ = 153114858480.

The previous prime is 230122231181. The next prime is 230122231243. The reversal of 230122231221 is 122132221032.

It is not a de Polignac number, because 230122231221 - 2¹³ = 230122223029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230122231621) 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, 4199626 + ... + 4254068.

It is an arithmetic number, because the mean of its divisors is an integer number (19214376480).

Almost surely, 2^230122231221 is an apocalyptic number.

It is an amenable number.

230122231221 is a deficient number, since it is larger than the sum of its proper divisors (77307792459).

230122231221 is a wasteful number, since it uses less digits than its factorization.

230122231221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57176.

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

Adding to 230122231221 its reverse (122132221032), we get a palindrome (352254452253).

The spelling of 230122231221 in words is "two hundred thirty billion, one hundred twenty-two million, two hundred thirty-one thousand, two hundred twenty-one".