11123333401 has 2 divisors, whose sum is σ = 11123333402. Its totient is φ = 11123333400.

The previous prime is 11123333399. The next prime is 11123333407. The reversal of 11123333401 is 10433332111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9930321801 + 1193011600 = 99651^2 + 34540^2 .

It is a cyclic number.

It is not a de Polignac number, because 11123333401 - 2¹ = 11123333399 is a prime.

Together with 11123333399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11123333407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561666700 + 5561666701.

It is an arithmetic number, because the mean of its divisors is an integer number (5561666701).

Almost surely, 2^11123333401 is an apocalyptic number.

It is an amenable number.

11123333401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123333401 is an equidigital number, since it uses as much as digits as its factorization.

11123333401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11123333401 its reverse (10433332111), we get a palindrome (21556665512).

The spelling of 11123333401 in words is "eleven billion, one hundred twenty-three million, three hundred thirty-three thousand, four hundred one".