1121212111093 has 2 divisors, whose sum is σ = 1121212111094. Its totient is φ = 1121212111092.

The previous prime is 1121212111091. The next prime is 1121212111109. The reversal of 1121212111093 is 3901112121211.

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., 704513458609 + 416698652484 = 839353^2 + 645522^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121212111093 - 2¹ = 1121212111091 is a prime.

Together with 1121212111091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121212111091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560606055546 + 560606055547.

It is an arithmetic number, because the mean of its divisors is an integer number (560606055547).

Almost surely, 2^{1121212111093} is an apocalyptic number.

It is an amenable number.

1121212111093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121212111093 is an equidigital number, since it uses as much as digits as its factorization.

1121212111093 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 25.

The spelling of 1121212111093 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, one hundred eleven thousand, ninety-three".