211332123241 has 2 divisors, whose sum is σ = 211332123242. Its totient is φ = 211332123240.

The previous prime is 211332123229. The next prime is 211332123329. The reversal of 211332123241 is 142321233112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143534899600 + 67797223641 = 378860^2 + 260379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211332123241 is a prime.

It is a super-2 number, since 2×211332123241² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211332123221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105666061620 + 105666061621.

It is an arithmetic number, because the mean of its divisors is an integer number (105666061621).

Almost surely, 2^211332123241 is an apocalyptic number.

It is an amenable number.

211332123241 is a deficient number, since it is larger than the sum of its proper divisors (1).

211332123241 is an equidigital number, since it uses as much as digits as its factorization.

211332123241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

Adding to 211332123241 its reverse (142321233112), we get a palindrome (353653356353).

The spelling of 211332123241 in words is "two hundred eleven billion, three hundred thirty-two million, one hundred twenty-three thousand, two hundred forty-one".