111021341 has 2 divisors, whose sum is σ = 111021342. Its totient is φ = 111021340.

The previous prime is 111021319. The next prime is 111021347. The reversal of 111021341 is 143120111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92064025 + 18957316 = 9595^2 + 4354^2 .

It is a cyclic number.

It is not a de Polignac number, because 111021341 - 2¹⁸ = 110759197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111021347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510670 + 55510671.

It is an arithmetic number, because the mean of its divisors is an integer number (55510671).

Almost surely, 2^111021341 is an apocalyptic number.

It is an amenable number.

111021341 is a deficient number, since it is larger than the sum of its proper divisors (1).

111021341 is an equidigital number, since it uses as much as digits as its factorization.

111021341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 111021341 is about 10536.6665032163. Note that the first 3 decimals coincide. The cubic root of 111021341 is about 480.6203509814.

Adding to 111021341 its reverse (143120111), we get a palindrome (254141452).

The spelling of 111021341 in words is "one hundred eleven million, twenty-one thousand, three hundred forty-one".