111100102222111 has 8 divisors (see below), whose sum is σ = 115437444819120. Its totient is φ = 106796513264448.

The previous prime is 111100102222093. The next prime is 111100102222139. The reversal of 111100102222111 is 111222201001111.

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 111100102222111 - 2¹⁵ = 111100102189343 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 (111100102222171) 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, 8438403126 + ... + 8438416291.

It is an arithmetic number, because the mean of its divisors is an integer number (14429680602390).

Almost surely, 2^{111100102222111} is an apocalyptic number.

111100102222111 is a deficient number, since it is larger than the sum of its proper divisors (4337342597009).

111100102222111 is a wasteful number, since it uses less digits than its factorization.

111100102222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16876819673.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 111100102222111 its reverse (111222201001111), we get a palindrome (222322303223222).

The spelling of 111100102222111 in words is "one hundred eleven trillion, one hundred billion, one hundred two million, two hundred twenty-two thousand, one hundred eleven".