401111211 has 8 divisors (see below), whose sum is σ = 537350464. Its totient is φ = 266139720.

The previous prime is 401111197. The next prime is 401111231. The reversal of 401111211 is 112111104.

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

It is not a de Polignac number, because 401111211 - 2¹⁰ = 401110187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401111231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316201 + ... + 317466.

It is an arithmetic number, because the mean of its divisors is an integer number (67168808).

Almost surely, 2^401111211 is an apocalyptic number.

401111211 is a deficient number, since it is larger than the sum of its proper divisors (136239253).

401111211 is a wasteful number, since it uses less digits than its factorization.

401111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633881.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 401111211 is about 20027.7610081606. The cubic root of 401111211 is about 737.4879582828.

Adding to 401111211 its reverse (112111104), we get a palindrome (513222315).

The spelling of 401111211 in words is "four hundred one million, one hundred eleven thousand, two hundred eleven".