111010143331121 has 2 divisors, whose sum is σ = 111010143331122. Its totient is φ = 111010143331120.

The previous prime is 111010143331019. The next prime is 111010143331123. The reversal of 111010143331121 is 121133341010111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70336820757025 + 40673322574096 = 8386705^2 + 6377564^2 .

It is a cyclic number.

It is not a de Polignac number, because 111010143331121 - 2²⁶ = 111010076222257 is a prime.

It is a Sophie Germain prime.

Together with 111010143331123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (111010143331123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505071665560 + 55505071665561.

It is an arithmetic number, because the mean of its divisors is an integer number (55505071665561).

Almost surely, 2^{111010143331121} is an apocalyptic number.

It is an amenable number.

111010143331121 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010143331121 is an equidigital number, since it uses as much as digits as its factorization.

111010143331121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 111010143331121 its reverse (121133341010111), we get a palindrome (232143484341232).

The spelling of 111010143331121 in words is "one hundred eleven trillion, ten billion, one hundred forty-three million, three hundred thirty-one thousand, one hundred twenty-one".