211117019401 has 8 divisors (see below), whose sum is σ = 215620796160. Its totient is φ = 206659914192.

The previous prime is 211117019371. The next prime is 211117019471. The reversal of 211117019401 is 104910711112.

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

It is a cyclic number.

It is not a de Polignac number, because 211117019401 - 2⁵ = 211117019369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211117019401.

It is not an unprimeable number, because it can be changed into a prime (211117019471) 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, 11658745 + ... + 11676838.

It is an arithmetic number, because the mean of its divisors is an integer number (26952599520).

Almost surely, 2^211117019401 is an apocalyptic number.

It is an amenable number.

211117019401 is a deficient number, since it is larger than the sum of its proper divisors (4503776759).

211117019401 is a wasteful number, since it uses less digits than its factorization.

211117019401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23335775.

The product of its (nonzero) digits is 504, while the sum is 28.

The spelling of 211117019401 in words is "two hundred eleven billion, one hundred seventeen million, nineteen thousand, four hundred one".