111120111011 has 8 divisors (see below), whose sum is σ = 136763213664. Its totient is φ = 87919208640.

The previous prime is 111120110971. The next prime is 111120111049. The reversal of 111120111011 is 110111021111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 111120111011 - 2²² = 111115916707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111120110983 and 111120111001.

It is not an unprimeable number, because it can be changed into a prime (111120110011) 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, 610549970 + ... + 610550151.

It is an arithmetic number, because the mean of its divisors is an integer number (17095401708).

Almost surely, 2^111120111011 is an apocalyptic number.

111120111011 is a deficient number, since it is larger than the sum of its proper divisors (25643102653).

111120111011 is a wasteful number, since it uses less digits than its factorization.

111120111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221100141.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 111120111011 its reverse (110111021111), we get a palindrome (221231132122).

The spelling of 111120111011 in words is "one hundred eleven billion, one hundred twenty million, one hundred eleven thousand, eleven".