111220540143 has 8 divisors (see below), whose sum is σ = 148386917808. Its totient is φ = 74100594624.

The previous prime is 111220540063. The next prime is 111220540187. The reversal of 111220540143 is 341045022111.

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

It is not a de Polignac number, because 111220540143 - 2⁹ = 111220539631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220544143) 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, 11602446 + ... + 11612027.

It is an arithmetic number, because the mean of its divisors is an integer number (18548364726).

Almost surely, 2^111220540143 is an apocalyptic number.

111220540143 is a deficient number, since it is larger than the sum of its proper divisors (37166377665).

111220540143 is a wasteful number, since it uses less digits than its factorization.

111220540143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23216073.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 111220540143 its reverse (341045022111), we get a palindrome (452265562254).

The spelling of 111220540143 in words is "one hundred eleven billion, two hundred twenty million, five hundred forty thousand, one hundred forty-three".