141111111 has 8 divisors (see below), whose sum is σ = 188460544. Its totient is φ = 93917880.

The previous prime is 141111077. The next prime is 141111127. The reversal of 141111111 is 111111141.

141111111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 141111111 - 2¹⁷ = 140980039 is a prime.

It is a Duffinian number.

141111111 is a modest number, since divided by 11111 gives 1411 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141111181) 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, 36925 + ... + 40566.

It is an arithmetic number, because the mean of its divisors is an integer number (23557568).

Almost surely, 2^141111111 is an apocalyptic number.

141111111 is a deficient number, since it is larger than the sum of its proper divisors (47349433).

141111111 is an equidigital number, since it uses as much as digits as its factorization.

141111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78101.

The product of its digits is 4, while the sum is 12.

The square root of 141111111 is about 11879.0197827935. The cubic root of 141111111 is about 520.6194676130.

Adding to 141111111 its reverse (111111141), we get a palindrome (252222252).

It can be divided in two parts, 141 and 111111, that multiplied together give a palindrome (15666651).

The spelling of 141111111 in words is "one hundred forty-one million, one hundred eleven thousand, one hundred eleven".