211001345041 has 4 divisors (see below), whose sum is σ = 211280079412. Its totient is φ = 210722610672.

The previous prime is 211001345017. The next prime is 211001345047. The reversal of 211001345041 is 140543100112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64568842816 + 146432502225 = 254104^2 + 382665^2 .

It is a cyclic number.

It is not a de Polignac number, because 211001345041 - 2¹⁹ = 211000820753 is a prime.

It is a super-2 number, since 2×211001345041² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211001345047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139366050 + ... + 139367563.

It is an arithmetic number, because the mean of its divisors is an integer number (52820019853).

Almost surely, 2^211001345041 is an apocalyptic number.

It is an amenable number.

211001345041 is a deficient number, since it is larger than the sum of its proper divisors (278734371).

211001345041 is an equidigital number, since it uses as much as digits as its factorization.

211001345041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278734370.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 211001345041 its reverse (140543100112), we get a palindrome (351544445153).

The spelling of 211001345041 in words is "two hundred eleven billion, one million, three hundred forty-five thousand, forty-one".