111072204111 has 32 divisors (see below), whose sum is σ = 164551288320. Its totient is φ = 66078230400.

The previous prime is 111072204107. The next prime is 111072204119. The reversal of 111072204111 is 111402270111.

It is a happy number.

It is not a de Polignac number, because 111072204111 - 2² = 111072204107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111072204119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433041 + ... + 640053.

It is an arithmetic number, because the mean of its divisors is an integer number (5142227760).

Almost surely, 2^111072204111 is an apocalyptic number.

111072204111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111072204111 is a deficient number, since it is larger than the sum of its proper divisors (53479084209).

111072204111 is a wasteful number, since it uses less digits than its factorization.

111072204111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207327.

The product of its (nonzero) digits is 112, while the sum is 21.

Adding to 111072204111 its reverse (111402270111), we get a palindrome (222474474222).

The spelling of 111072204111 in words is "one hundred eleven billion, seventy-two million, two hundred four thousand, one hundred eleven".