111132221393 has 2 divisors, whose sum is σ = 111132221394. Its totient is φ = 111132221392.

The previous prime is 111132221383. The next prime is 111132221413. The reversal of 111132221393 is 393122231111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94745149249 + 16387072144 = 307807^2 + 128012^2 .

It is a cyclic number.

It is not a de Polignac number, because 111132221393 - 2¹² = 111132217297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (111132221383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55566110696 + 55566110697.

It is an arithmetic number, because the mean of its divisors is an integer number (55566110697).

Almost surely, 2^111132221393 is an apocalyptic number.

It is an amenable number.

111132221393 is a deficient number, since it is larger than the sum of its proper divisors (1).

111132221393 is an equidigital number, since it uses as much as digits as its factorization.

111132221393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 29.

The spelling of 111132221393 in words is "one hundred eleven billion, one hundred thirty-two million, two hundred twenty-one thousand, three hundred ninety-three".