111020112111 has 8 divisors (see below), whose sum is σ = 148276442160. Its totient is φ = 73888595072.

The previous prime is 111020112089. The next prime is 111020112113. The reversal of 111020112111 is 111211020111.

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 111020112111 - 2⁵ = 111020112079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020112113) 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, 31201176 + ... + 31204733.

It is an arithmetic number, because the mean of its divisors is an integer number (18534555270).

Almost surely, 2^111020112111 is an apocalyptic number.

111020112111 is a deficient number, since it is larger than the sum of its proper divisors (37256330049).

111020112111 is an equidigital number, since it uses as much as digits as its factorization.

111020112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62406505.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111020112111 its reverse (111211020111), we get a palindrome (222231132222).

The spelling of 111020112111 in words is "one hundred eleven billion, twenty million, one hundred twelve thousand, one hundred eleven".