111121403339911 has 2 divisors, whose sum is σ = 111121403339912. Its totient is φ = 111121403339910.

The previous prime is 111121403339833. The next prime is 111121403340037. The reversal of 111121403339911 is 119933304121111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111121403339911 - 2¹¹ = 111121403337863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111121403339311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560701669955 + 55560701669956.

It is an arithmetic number, because the mean of its divisors is an integer number (55560701669956).

Almost surely, 2^{111121403339911} is an apocalyptic number.

111121403339911 is a deficient number, since it is larger than the sum of its proper divisors (1).

111121403339911 is an equidigital number, since it uses as much as digits as its factorization.

111121403339911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 40.

The spelling of 111121403339911 in words is "one hundred eleven trillion, one hundred twenty-one billion, four hundred three million, three hundred thirty-nine thousand, nine hundred eleven".