111012202111111 has 8 divisors (see below), whose sum is σ = 126871241549184. Its totient is φ = 95153201028600.

The previous prime is 111012202111067. The next prime is 111012202111123. The reversal of 111012202111111 is 111111202210111.

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 111012202111111 - 2⁷ = 111012202110983 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 (111010202111111) 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, 3093505 + ... + 15218218.

It is an arithmetic number, because the mean of its divisors is an integer number (15858905193648).

Almost surely, 2^{111012202111111} is an apocalyptic number.

111012202111111 is a deficient number, since it is larger than the sum of its proper divisors (15859039438073).

111012202111111 is an equidigital number, since it uses as much as digits as its factorization.

111012202111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19177781.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111012202111111 its reverse (111111202210111), we get a palindrome (222123404321222).

The spelling of 111012202111111 in words is "one hundred eleven trillion, twelve billion, two hundred two million, one hundred eleven thousand, one hundred eleven".