401104111 has 4 divisors (see below), whose sum is σ = 401536800. Its totient is φ = 400671424.

The previous prime is 401104051. The next prime is 401104183. The reversal of 401104111 is 111401104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401104111 - 2¹⁷ = 400973039 is a prime.

It is a super-2 number, since 2×401104111² = 321769015722200642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401104091 and 401104100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401144111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214951 + ... + 216808.

It is an arithmetic number, because the mean of its divisors is an integer number (100384200).

Almost surely, 2^401104111 is an apocalyptic number.

401104111 is a deficient number, since it is larger than the sum of its proper divisors (432689).

401104111 is an equidigital number, since it uses as much as digits as its factorization.

401104111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432688.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 401104111 is about 20027.5837534137. The cubic root of 401104111 is about 737.4836068749.

Adding to 401104111 its reverse (111401104), we get a palindrome (512505215).

It can be divided in two parts, 401104 and 111, that multiplied together give a palindrome (44522544).

The spelling of 401104111 in words is "four hundred one million, one hundred four thousand, one hundred eleven".