111122002211111 has 4 divisors (see below), whose sum is σ = 111867787461000. Its totient is φ = 110376216961224.

The previous prime is 111122002211089. The next prime is 111122002211131. The reversal of 111122002211111 is 111112200221111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111122002211111 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 111122002211111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122002211131) 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, 372892624721 + ... + 372892625018.

It is an arithmetic number, because the mean of its divisors is an integer number (27966946865250).

Almost surely, 2^{111122002211111} is an apocalyptic number.

111122002211111 is a deficient number, since it is larger than the sum of its proper divisors (745785249889).

111122002211111 is an equidigital number, since it uses as much as digits as its factorization.

111122002211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745785249888.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111122002211111 its reverse (111112200221111), we get a palindrome (222234202432222).

The spelling of 111122002211111 in words is "one hundred eleven trillion, one hundred twenty-two billion, two million, two hundred eleven thousand, one hundred eleven".