1113223201 has 2 divisors, whose sum is σ = 1113223202. Its totient is φ = 1113223200.

The previous prime is 1113223171. The next prime is 1113223217. The reversal of 1113223201 is 1023223111.

It is an a-pointer prime, because the next prime (1113223217) can be obtained adding 1113223201 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 686387601 + 426835600 = 26199^2 + 20660^2 .

It is an emirp because it is prime and its reverse (1023223111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113223201 - 2²⁷ = 979005473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113223231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556611600 + 556611601.

It is an arithmetic number, because the mean of its divisors is an integer number (556611601).

Almost surely, 2^1113223201 is an apocalyptic number.

It is an amenable number.

1113223201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113223201 is an equidigital number, since it uses as much as digits as its factorization.

1113223201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1113223201 is about 33364.9996403417. Note that the first 3 decimals coincide. The cubic root of 1113223201 is about 1036.4000286919.

Adding to 1113223201 its reverse (1023223111), we get a palindrome (2136446312).

The spelling of 1113223201 in words is "one billion, one hundred thirteen million, two hundred twenty-three thousand, two hundred one".