11122055140 has 24 divisors (see below), whose sum is σ = 26692932672. Its totient is φ = 3813276000.

The previous prime is 11122055123. The next prime is 11122055143. The reversal of 11122055140 is 4155022111.

It is a super-2 number, since 2×11122055140² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11122055143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39721486 + ... + 39721765.

It is an arithmetic number, because the mean of its divisors is an integer number (1112205528).

Almost surely, 2^11122055140 is an apocalyptic number.

11122055140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122055140 is an abundant number, since it is smaller than the sum of its proper divisors (15570877532).

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

11122055140 is a wasteful number, since it uses less digits than its factorization.

11122055140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79443267 (or 79443265 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 11122055140 its reverse (4155022111), we get a palindrome (15277077251).

The spelling of 11122055140 in words is "eleven billion, one hundred twenty-two million, fifty-five thousand, one hundred forty".