211312223041 has 2 divisors, whose sum is σ = 211312223042. Its totient is φ = 211312223040.

The previous prime is 211312223033. The next prime is 211312223071. The reversal of 211312223041 is 140322213112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145710158400 + 65602064641 = 381720^2 + 256129^2 .

It is a cyclic number.

It is not a de Polignac number, because 211312223041 - 2³ = 211312223033 is a prime.

It is not a weakly prime, because it can be changed into another prime (211312223071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105656111520 + 105656111521.

It is an arithmetic number, because the mean of its divisors is an integer number (105656111521).

Almost surely, 2^211312223041 is an apocalyptic number.

It is an amenable number.

211312223041 is a deficient number, since it is larger than the sum of its proper divisors (1).

211312223041 is an equidigital number, since it uses as much as digits as its factorization.

211312223041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 211312223041 its reverse (140322213112), we get a palindrome (351634436153).

The spelling of 211312223041 in words is "two hundred eleven billion, three hundred twelve million, two hundred twenty-three thousand, forty-one".