11122154020 has 12 divisors (see below), whose sum is σ = 23356523484. Its totient is φ = 4448861600.

The previous prime is 11122154003. The next prime is 11122154023. The reversal of 11122154020 is 2045122111.

11122154020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3379561956 + 7742592064 = 58134^2 + 87992^2 .

It is not an unprimeable number, because it can be changed into a prime (11122154023) 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, 278053831 + ... + 278053870.

It is an arithmetic number, because the mean of its divisors is an integer number (1946376957).

Almost surely, 2^11122154020 is an apocalyptic number.

11122154020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122154020 is an abundant number, since it is smaller than the sum of its proper divisors (12234369464).

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

11122154020 is a wasteful number, since it uses less digits than its factorization.

11122154020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556107710 (or 556107708 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 11122154020 its reverse (2045122111), we get a palindrome (13167276131).

The spelling of 11122154020 in words is "eleven billion, one hundred twenty-two million, one hundred fifty-four thousand, twenty".