213232233121 has 2 divisors, whose sum is σ = 213232233122. Its totient is φ = 213232233120.

The previous prime is 213232233031. The next prime is 213232233131. The reversal of 213232233121 is 121332232312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202009797025 + 11222436096 = 449455^2 + 105936^2 .

It is a cyclic number.

It is not a de Polignac number, because 213232233121 - 2¹¹ = 213232231073 is a prime.

It is not a weakly prime, because it can be changed into another prime (213232233131) 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 as a sum of consecutive naturals, namely, 106616116560 + 106616116561.

It is an arithmetic number, because the mean of its divisors is an integer number (106616116561).

Almost surely, 2^213232233121 is an apocalyptic number.

It is an amenable number.

213232233121 is a deficient number, since it is larger than the sum of its proper divisors (1).

213232233121 is an equidigital number, since it uses as much as digits as its factorization.

213232233121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

Adding to 213232233121 its reverse (121332232312), we get a palindrome (334564465433).

The spelling of 213232233121 in words is "two hundred thirteen billion, two hundred thirty-two million, two hundred thirty-three thousand, one hundred twenty-one".