111000143111 has 32 divisors (see below), whose sum is σ = 141287908608. Its totient is φ = 85628874240.

The previous prime is 111000143101. The next prime is 111000143141. The reversal of 111000143111 is 111341000111.

It is a happy number.

It is not a de Polignac number, because 111000143111 - 2²² = 110995948807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000143101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426401 + ... + 635466.

It is an arithmetic number, because the mean of its divisors is an integer number (4415247144).

Almost surely, 2^111000143111 is an apocalyptic number.

111000143111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111000143111 is a deficient number, since it is larger than the sum of its proper divisors (30287765497).

111000143111 is a wasteful number, since it uses less digits than its factorization.

111000143111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061951.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111000143111 its reverse (111341000111), we get a palindrome (222341143222).

The spelling of 111000143111 in words is "one hundred eleven billion, one hundred forty-three thousand, one hundred eleven".