11123201 has 2 divisors, whose sum is σ = 11123202. Its totient is φ = 11123200.

The previous prime is 11123183. The next prime is 11123221. The reversal of 11123201 is 10232111.

11123201 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8151025 + 2972176 = 2855^2 + 1724^2 .

It is a cyclic number.

It is not a de Polignac number, because 11123201 - 2⁶ = 11123137 is a prime.

It is not a weakly prime, because it can be changed into another prime (11123221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561600 + 5561601.

It is an arithmetic number, because the mean of its divisors is an integer number (5561601).

Almost surely, 2^11123201 is an apocalyptic number.

It is an amenable number.

11123201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123201 is an equidigital number, since it uses as much as digits as its factorization.

11123201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11123201 is about 3335.1463236266. The cubic root of 11123201 is about 223.2252210573.

Adding to 11123201 its reverse (10232111), we get a palindrome (21355312).

The spelling of 11123201 in words is "eleven million, one hundred twenty-three thousand, two hundred one".