111381771072223 has 2 divisors, whose sum is σ = 111381771072224. Its totient is φ = 111381771072222.

The previous prime is 111381771072197. The next prime is 111381771072263. The reversal of 111381771072223 is 322270177183111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111381771072223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111381771072263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55690885536111 + 55690885536112.

It is an arithmetic number, because the mean of its divisors is an integer number (55690885536112).

Almost surely, 2^{111381771072223} is an apocalyptic number.

111381771072223 is a deficient number, since it is larger than the sum of its proper divisors (1).

111381771072223 is an equidigital number, since it uses as much as digits as its factorization.

111381771072223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 46.

The spelling of 111381771072223 in words is "one hundred eleven trillion, three hundred eighty-one billion, seven hundred seventy-one million, seventy-two thousand, two hundred twenty-three".