111143302111 has 8 divisors (see below), whose sum is σ = 115002039600. Its totient is φ = 107286312000.

The previous prime is 111143302093. The next prime is 111143302121. The reversal of 111143302111 is 111203341111.

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

It is not a de Polignac number, because 111143302111 - 2²¹ = 111141204959 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 (111143302121) 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, 306765 + ... + 562486.

It is an arithmetic number, because the mean of its divisors is an integer number (14375254950).

Almost surely, 2^111143302111 is an apocalyptic number.

111143302111 is a deficient number, since it is larger than the sum of its proper divisors (3858737489).

111143302111 is an equidigital number, since it uses as much as digits as its factorization.

111143302111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873689.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 111143302111 its reverse (111203341111), we get a palindrome (222346643222).

The spelling of 111143302111 in words is "one hundred eleven billion, one hundred forty-three million, three hundred two thousand, one hundred eleven".