111332021393 has 2 divisors, whose sum is σ = 111332021394. Its totient is φ = 111332021392.

The previous prime is 111332021389. The next prime is 111332021453. The reversal of 111332021393 is 393120233111.

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., 106453417984 + 4878603409 = 326272^2 + 69847^2 .

It is a cyclic number.

It is not a de Polignac number, because 111332021393 - 2² = 111332021389 is a prime.

It is not a weakly prime, because it can be changed into another prime (111332021363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55666010696 + 55666010697.

It is an arithmetic number, because the mean of its divisors is an integer number (55666010697).

Almost surely, 2^111332021393 is an apocalyptic number.

It is an amenable number.

111332021393 is a deficient number, since it is larger than the sum of its proper divisors (1).

111332021393 is an equidigital number, since it uses as much as digits as its factorization.

111332021393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 111332021393 in words is "one hundred eleven billion, three hundred thirty-two million, twenty-one thousand, three hundred ninety-three".