1111112122193 has 2 divisors, whose sum is σ = 1111112122194. Its totient is φ = 1111112122192.

The previous prime is 1111112122181. The next prime is 1111112122279. The reversal of 1111112122193 is 3912212111111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987304551424 + 123807570769 = 993632^2 + 351863^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111112122193 - 2¹⁰ = 1111112121169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111112122993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555556061096 + 555556061097.

It is an arithmetic number, because the mean of its divisors is an integer number (555556061097).

Almost surely, 2^{1111112122193} is an apocalyptic number.

It is an amenable number.

1111112122193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111112122193 is an equidigital number, since it uses as much as digits as its factorization.

1111112122193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 26.

The spelling of 1111112122193 in words is "one trillion, one hundred eleven billion, one hundred twelve million, one hundred twenty-two thousand, one hundred ninety-three".