111111002111111 has 8 divisors (see below), whose sum is σ = 111261812379120. Its totient is φ = 110960202483648.

The previous prime is 111111002111009. The next prime is 111111002111147. The reversal of 111111002111111 is 111111200111111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111111002111111 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 (111111002111411) 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, 18351020 + ... + 23642798.

It is an arithmetic number, because the mean of its divisors is an integer number (13907726547390).

Almost surely, 2^{111111002111111} is an apocalyptic number.

111111002111111 is a deficient number, since it is larger than the sum of its proper divisors (150810268009).

111111002111111 is an equidigital number, since it uses as much as digits as its factorization.

111111002111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320273.

The product of its (nonzero) digits is 2, while the sum is 14.

Adding to 111111002111111 its reverse (111111200111111), we get a palindrome (222222202222222).

The spelling of 111111002111111 in words is "one hundred eleven trillion, one hundred eleven billion, two million, one hundred eleven thousand, one hundred eleven".