1111117421069 has 2 divisors, whose sum is σ = 1111117421070. Its totient is φ = 1111117421068.

The previous prime is 1111117421059. The next prime is 1111117421081. The reversal of 1111117421069 is 9601247111111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 719804618569 + 391312802500 = 848413^2 + 625550^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111117421069 - 2³² = 1106822453773 is a prime.

It is a super-2 number, since 2×1111117421069² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111117421039) 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, 555558710534 + 555558710535.

It is an arithmetic number, because the mean of its divisors is an integer number (555558710535).

Almost surely, 2^{1111117421069} is an apocalyptic number.

It is an amenable number.

1111117421069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111117421069 is an equidigital number, since it uses as much as digits as its factorization.

1111117421069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 35.

The spelling of 1111117421069 in words is "one trillion, one hundred eleven billion, one hundred seventeen million, four hundred twenty-one thousand, sixty-nine".