111110222210111 has 2 divisors, whose sum is σ = 111110222210112. Its totient is φ = 111110222210110.

The previous prime is 111110222210093. The next prime is 111110222210129. The reversal of 111110222210111 is 111012222011111.

It is a balanced prime because it is at equal distance from previous prime (111110222210093) and next prime (111110222210129).

It is a cyclic number.

It is not a de Polignac number, because 111110222210111 - 2¹⁴ = 111110222193727 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111110222210111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111110222218111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555111105055 + 55555111105056.

It is an arithmetic number, because the mean of its divisors is an integer number (55555111105056).

Almost surely, 2^{111110222210111} is an apocalyptic number.

111110222210111 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110222210111 is an equidigital number, since it uses as much as digits as its factorization.

111110222210111 is an evil number, because the sum of its binary digits is even.

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

Adding to 111110222210111 its reverse (111012222011111), we get a palindrome (222122444221222).

The spelling of 111110222210111 in words is "one hundred eleven trillion, one hundred ten billion, two hundred twenty-two million, two hundred ten thousand, one hundred eleven".