234201211121 has 2 divisors, whose sum is σ = 234201211122. Its totient is φ = 234201211120.

The previous prime is 234201211109. The next prime is 234201211129. The reversal of 234201211121 is 121112102432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221901292096 + 12299919025 = 471064^2 + 110905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234201211121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234201211093 and 234201211102.

It is not a weakly prime, because it can be changed into another prime (234201211129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117100605560 + 117100605561.

It is an arithmetic number, because the mean of its divisors is an integer number (117100605561).

Almost surely, 2^234201211121 is an apocalyptic number.

It is an amenable number.

234201211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

234201211121 is an equidigital number, since it uses as much as digits as its factorization.

234201211121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 234201211121 its reverse (121112102432), we get a palindrome (355313313553).

The spelling of 234201211121 in words is "two hundred thirty-four billion, two hundred one million, two hundred eleven thousand, one hundred twenty-one".