111120110971 has 2 divisors, whose sum is σ = 111120110972. Its totient is φ = 111120110970.

The previous prime is 111120110909. The next prime is 111120111049. The reversal of 111120110971 is 179011021111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111120110971 - 2⁹ = 111120110459 is a prime.

It is not a weakly prime, because it can be changed into another prime (111120110471) 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, 55560055485 + 55560055486.

It is an arithmetic number, because the mean of its divisors is an integer number (55560055486).

Almost surely, 2^111120110971 is an apocalyptic number.

111120110971 is a deficient number, since it is larger than the sum of its proper divisors (1).

111120110971 is an equidigital number, since it uses as much as digits as its factorization.

111120110971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 25.

The spelling of 111120110971 in words is "one hundred eleven billion, one hundred twenty million, one hundred ten thousand, nine hundred seventy-one".