401112111 has 16 divisors (see below), whose sum is σ = 558696960. Its totient is φ = 255493920.

The previous prime is 401112073. The next prime is 401112119. The reversal of 401112111 is 111211104.

It is not a de Polignac number, because 401112111 - 2¹⁴ = 401095727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401112119) 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, 70470 + ... + 75948.

It is an arithmetic number, because the mean of its divisors is an integer number (34918560).

Almost surely, 2^401112111 is an apocalyptic number.

401112111 is a deficient number, since it is larger than the sum of its proper divisors (157584849).

401112111 is a wasteful number, since it uses less digits than its factorization.

401112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6566.

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

The square root of 401112111 is about 20027.7834769602. The cubic root of 401112111 is about 737.4885098660.

Adding to 401112111 its reverse (111211104), we get a palindrome (512323215).

The spelling of 401112111 in words is "four hundred one million, one hundred twelve thousand, one hundred eleven".