111012001222211 has 4 divisors (see below), whose sum is σ = 113373958695072. Its totient is φ = 108650043749352.

The previous prime is 111012001222163. The next prime is 111012001222223. The reversal of 111012001222211 is 112222100210111.

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

It is a cyclic number.

It is not a de Polignac number, because 111012001222211 - 2⁴⁶ = 40643257044547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111012001222211.

It is not an unprimeable number, because it can be changed into a prime (111012001222231) 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, 1180978736360 + ... + 1180978736453.

It is an arithmetic number, because the mean of its divisors is an integer number (28343489673768).

Almost surely, 2^{111012001222211} is an apocalyptic number.

111012001222211 is a deficient number, since it is larger than the sum of its proper divisors (2361957472861).

111012001222211 is an equidigital number, since it uses as much as digits as its factorization.

111012001222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361957472860.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111012001222211 its reverse (112222100210111), we get a palindrome (223234101432322).

The spelling of 111012001222211 in words is "one hundred eleven trillion, twelve billion, one million, two hundred twenty-two thousand, two hundred eleven".