211404333322401 has 16 divisors (see below), whose sum is σ = 288432092853696. Its totient is φ = 137656499714496.

The previous prime is 211404333322379. The next prime is 211404333322499. The reversal of 211404333322401 is 104223333404112.

It is not a de Polignac number, because 211404333322401 - 2⁹ = 211404333321889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211404333322001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4346530 + ... + 21016683.

It is an arithmetic number, because the mean of its divisors is an integer number (18027005803356).

Almost surely, 2^{211404333322401} is an apocalyptic number.

It is an amenable number.

211404333322401 is a deficient number, since it is larger than the sum of its proper divisors (77027759531295).

211404333322401 is a wasteful number, since it uses less digits than its factorization.

211404333322401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25427872.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 211404333322401 its reverse (104223333404112), we get a palindrome (315627666726513).

The spelling of 211404333322401 in words is "two hundred eleven trillion, four hundred four billion, three hundred thirty-three million, three hundred twenty-two thousand, four hundred one".