11122221024 has 48 divisors (see below), whose sum is σ = 32439813840. Its totient is φ = 3707406720.

The previous prime is 11122221023. The next prime is 11122221041. The reversal of 11122221024 is 42012222111.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11122220988 and 11122221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122221023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6435607 + ... + 6437334.

It is an arithmetic number, because the mean of its divisors is an integer number (675829455).

Almost surely, 2^11122221024 is an apocalyptic number.

It is an amenable number.

11122221024 is an abundant number, since it is smaller than the sum of its proper divisors (21317592816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11122221024 is a wasteful number, since it uses less digits than its factorization.

11122221024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12872960 (or 12872946 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11122221024 its reverse (42012222111), we get a palindrome (53134443135).

The spelling of 11122221024 in words is "eleven billion, one hundred twenty-two million, two hundred twenty-one thousand, twenty-four".