111012102111 has 16 divisors (see below), whose sum is σ = 149014043360. Its totient is φ = 73510104960.

The previous prime is 111012102077. The next prime is 111012102119. The reversal of 111012102111 is 111201210111.

It is not a de Polignac number, because 111012102111 - 2¹⁷ = 111011971039 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 (111012102119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326841 + ... + 573453.

It is an arithmetic number, because the mean of its divisors is an integer number (9313377710).

Almost surely, 2^111012102111 is an apocalyptic number.

111012102111 is a deficient number, since it is larger than the sum of its proper divisors (38001941249).

111012102111 is a wasteful number, since it uses less digits than its factorization.

111012102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247626.

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

Adding to 111012102111 its reverse (111201210111), we get a palindrome (222213312222).

The spelling of 111012102111 in words is "one hundred eleven billion, twelve million, one hundred two thousand, one hundred eleven".