111131021059 has 2 divisors, whose sum is σ = 111131021060. Its totient is φ = 111131021058.

The previous prime is 111131021021. The next prime is 111131021101. The reversal of 111131021059 is 950120131111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111131021059 - 2⁹ = 111131020547 is a prime.

It is not a weakly prime, because it can be changed into another prime (111131061059) 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, 55565510529 + 55565510530.

It is an arithmetic number, because the mean of its divisors is an integer number (55565510530).

Almost surely, 2^111131021059 is an apocalyptic number.

111131021059 is a deficient number, since it is larger than the sum of its proper divisors (1).

111131021059 is an equidigital number, since it uses as much as digits as its factorization.

111131021059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 25.

The spelling of 111131021059 in words is "one hundred eleven billion, one hundred thirty-one million, twenty-one thousand, fifty-nine".