11122424401 has 4 divisors (see below), whose sum is σ = 12133553904. Its totient is φ = 10111294900.

The previous prime is 11122424377. The next prime is 11122424441. The reversal of 11122424401 is 10442422111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10442422111 = 11 ⋅949311101.

It is a cyclic number.

It is not a de Polignac number, because 11122424401 - 2³¹ = 8974940753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122424441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505564735 + ... + 505564756.

It is an arithmetic number, because the mean of its divisors is an integer number (3033388476).

Almost surely, 2^11122424401 is an apocalyptic number.

11122424401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11122424401 is a deficient number, since it is larger than the sum of its proper divisors (1011129503).

11122424401 is a wasteful number, since it uses less digits than its factorization.

11122424401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011129502.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11122424401 its reverse (10442422111), we get a palindrome (21564846512).

The spelling of 11122424401 in words is "eleven billion, one hundred twenty-two million, four hundred twenty-four thousand, four hundred one".