211242343001 has 2 divisors, whose sum is σ = 211242343002. Its totient is φ = 211242343000.

The previous prime is 211242342979. The next prime is 211242343057. The reversal of 211242343001 is 100343242112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210957408601 + 284934400 = 459301^2 + 16880^2 .

It is a cyclic number.

It is not a de Polignac number, because 211242343001 - 2¹⁸ = 211242080857 is a prime.

It is not a weakly prime, because it can be changed into another prime (211242343601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105621171500 + 105621171501.

It is an arithmetic number, because the mean of its divisors is an integer number (105621171501).

Almost surely, 2^211242343001 is an apocalyptic number.

It is an amenable number.

211242343001 is a deficient number, since it is larger than the sum of its proper divisors (1).

211242343001 is an equidigital number, since it uses as much as digits as its factorization.

211242343001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 211242343001 its reverse (100343242112), we get a palindrome (311585585113).

The spelling of 211242343001 in words is "two hundred eleven billion, two hundred forty-two million, three hundred forty-three thousand, one".