234211121 has 2 divisors, whose sum is σ = 234211122. Its totient is φ = 234211120.

The previous prime is 234211111. The next prime is 234211127. The reversal of 234211121 is 121112432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229946896 + 4264225 = 15164^2 + 2065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234211121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234211121.

It is not a weakly prime, because it can be changed into another prime (234211127) 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, 117105560 + 117105561.

It is an arithmetic number, because the mean of its divisors is an integer number (117105561).

Almost surely, 2^234211121 is an apocalyptic number.

It is an amenable number.

234211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

234211121 is an equidigital number, since it uses as much as digits as its factorization.

234211121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 17.

The square root of 234211121 is about 15303.9576907413. The cubic root of 234211121 is about 616.4092836124.

Adding to 234211121 its reverse (121112432), we get a palindrome (355323553).

It can be divided in two parts, 23421 and 1121, that added together give a palindrome (24542).

The spelling of 234211121 in words is "two hundred thirty-four million, two hundred eleven thousand, one hundred twenty-one".