111122210230111 has 2 divisors, whose sum is σ = 111122210230112. Its totient is φ = 111122210230110.

The previous prime is 111122210230091. The next prime is 111122210230133. The reversal of 111122210230111 is 111032012221111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111122210230111 - 2¹¹ = 111122210228063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111122210230711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561105115055 + 55561105115056.

It is an arithmetic number, because the mean of its divisors is an integer number (55561105115056).

Almost surely, 2^{111122210230111} is an apocalyptic number.

111122210230111 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122210230111 is an equidigital number, since it uses as much as digits as its factorization.

111122210230111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 111122210230111 its reverse (111032012221111), we get a palindrome (222154222451222).

The spelling of 111122210230111 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred ten million, two hundred thirty thousand, one hundred eleven".