11122451121 has 4 divisors (see below), whose sum is σ = 14829934832. Its totient is φ = 7414967412.

The previous prime is 11122451107. The next prime is 11122451141. The reversal of 11122451121 is 12115422111.

11122451121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 11122451121 - 2⁶ = 11122451057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122451141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853741851 + ... + 1853741856.

It is an arithmetic number, because the mean of its divisors is an integer number (3707483708).

Almost surely, 2^11122451121 is an apocalyptic number.

It is an amenable number.

11122451121 is a deficient number, since it is larger than the sum of its proper divisors (3707483711).

11122451121 is an equidigital number, since it uses as much as digits as its factorization.

11122451121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707483710.

The product of its digits is 160, while the sum is 21.

Adding to 11122451121 its reverse (12115422111), we get a palindrome (23237873232).

The spelling of 11122451121 in words is "eleven billion, one hundred twenty-two million, four hundred fifty-one thousand, one hundred twenty-one".