220111141 has 4 divisors (see below), whose sum is σ = 220141900. Its totient is φ = 220080384.

The previous prime is 220111097. The next prime is 220111153. The reversal of 220111141 is 141111022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 26316900 + 193794241 = 5130^2 + 13921^2 .

It is a cyclic number.

It is not a de Polignac number, because 220111141 - 2⁹ = 220110629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1615 + ... + 21043.

It is an arithmetic number, because the mean of its divisors is an integer number (55035475).

Almost surely, 2^220111141 is an apocalyptic number.

It is an amenable number.

220111141 is a deficient number, since it is larger than the sum of its proper divisors (30759).

220111141 is a wasteful number, since it uses less digits than its factorization.

220111141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30758.

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

The square root of 220111141 is about 14836.1430634785. The cubic root of 220111141 is about 603.7827137148.

Adding to 220111141 its reverse (141111022), we get a palindrome (361222163).

The spelling of 220111141 in words is "two hundred twenty million, one hundred eleven thousand, one hundred forty-one".