211404112401 has 8 divisors (see below), whose sum is σ = 288427316320. Its totient is φ = 137658491712.

The previous prime is 211404112319. The next prime is 211404112429. The reversal of 211404112401 is 104211404112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211404112401 - 2⁹ = 211404111889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211404112471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819395656 + ... + 819395913.

It is an arithmetic number, because the mean of its divisors is an integer number (36053414540).

Almost surely, 2^211404112401 is an apocalyptic number.

It is an amenable number.

211404112401 is a deficient number, since it is larger than the sum of its proper divisors (77023203919).

211404112401 is a wasteful number, since it uses less digits than its factorization.

211404112401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638791615.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211404112401 its reverse (104211404112), we get a palindrome (315615516513).

The spelling of 211404112401 in words is "two hundred eleven billion, four hundred four million, one hundred twelve thousand, four hundred one".