11110122020 has 24 divisors (see below), whose sum is σ = 23344885368. Its totient is φ = 4441452800.

The previous prime is 11110122011. The next prime is 11110122043. The reversal of 11110122020 is 2022101111.

It can be written as a sum of positive squares in 4 ways, for example, as 576384064 + 10533737956 = 24008^2 + 102634^2 .

It is a super-2 number, since 2×11110122020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11110121992 and 11110122010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126971 + ... + 195810.

It is an arithmetic number, because the mean of its divisors is an integer number (972703557).

Almost surely, 2^11110122020 is an apocalyptic number.

11110122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110122020 is an abundant number, since it is smaller than the sum of its proper divisors (12234763348).

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

11110122020 is a wasteful number, since it uses less digits than its factorization.

11110122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324511 (or 324509 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11110122020 its reverse (2022101111), we get a palindrome (13132223131).

The spelling of 11110122020 in words is "eleven billion, one hundred ten million, one hundred twenty-two thousand, twenty".