211023304540001 has 4 divisors (see below), whose sum is σ = 211127308142100. Its totient is φ = 210919300937904.

The previous prime is 211023304539947. The next prime is 211023304540031. The reversal of 211023304540001 is 100045403320112.

It is a happy number.

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 206550819759376 + 4472484780625 = 14371876^2 + 2114825^2 .

It is a cyclic number.

It is not a de Polignac number, because 211023304540001 - 2¹⁸ = 211023304277857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211023304540031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52001798006 + ... + 52001802063.

It is an arithmetic number, because the mean of its divisors is an integer number (52781827035525).

Almost surely, 2^{211023304540001} is an apocalyptic number.

It is an amenable number.

211023304540001 is a deficient number, since it is larger than the sum of its proper divisors (104003602099).

211023304540001 is a wasteful number, since it uses less digits than its factorization.

211023304540001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104003602098.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 211023304540001 its reverse (100045403320112), we get a palindrome (311068707860113).

The spelling of 211023304540001 in words is "two hundred eleven trillion, twenty-three billion, three hundred four million, five hundred forty thousand, one".