121112011043 has 2 divisors, whose sum is σ = 121112011044. Its totient is φ = 121112011042.

The previous prime is 121112010979. The next prime is 121112011051. The reversal of 121112011043 is 340110211121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121112011043 - 2⁶ = 121112010979 is a prime.

It is not a weakly prime, because it can be changed into another prime (121142011043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556005521 + 60556005522.

It is an arithmetic number, because the mean of its divisors is an integer number (60556005522).

Almost surely, 2^121112011043 is an apocalyptic number.

121112011043 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112011043 is an equidigital number, since it uses as much as digits as its factorization.

121112011043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121112011043 its reverse (340110211121), we get a palindrome (461222222164).

The spelling of 121112011043 in words is "one hundred twenty-one billion, one hundred twelve million, eleven thousand, forty-three".