111302112213111 has 4 divisors (see below), whose sum is σ = 148402816284152. Its totient is φ = 74201408142072.

The previous prime is 111302112213101. The next prime is 111302112213139. The reversal of 111302112213111 is 111312211203111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 111302112213111 - 2²² = 111302108018807 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 (111302112213101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18550352035516 + ... + 18550352035521.

It is an arithmetic number, because the mean of its divisors is an integer number (37100704071038).

Almost surely, 2^{111302112213111} is an apocalyptic number.

111302112213111 is a deficient number, since it is larger than the sum of its proper divisors (37100704071041).

111302112213111 is an equidigital number, since it uses as much as digits as its factorization.

111302112213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37100704071040.

The product of its (nonzero) digits is 72, while the sum is 21.

Adding to 111302112213111 its reverse (111312211203111), we get a palindrome (222614323416222).

The spelling of 111302112213111 in words is "one hundred eleven trillion, three hundred two billion, one hundred twelve million, two hundred thirteen thousand, one hundred eleven".