111132203309 has 2 divisors, whose sum is σ = 111132203310. Its totient is φ = 111132203308.

The previous prime is 111132203279. The next prime is 111132203333. The reversal of 111132203309 is 903302231111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110682636100 + 449567209 = 332690^2 + 21203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111132203309 is a prime.

It is a super-2 number, since 2×111132203309² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111132203909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55566101654 + 55566101655.

It is an arithmetic number, because the mean of its divisors is an integer number (55566101655).

Almost surely, 2^111132203309 is an apocalyptic number.

It is an amenable number.

111132203309 is a deficient number, since it is larger than the sum of its proper divisors (1).

111132203309 is an equidigital number, since it uses as much as digits as its factorization.

111132203309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 111132203309 in words is "one hundred eleven billion, one hundred thirty-two million, two hundred three thousand, three hundred nine".