22111241020 has 96 divisors (see below), whose sum is σ = 51176595456. Its totient is φ = 7957958400.

The previous prime is 22111241017. The next prime is 22111241069. The reversal of 22111241020 is 2014211122.

It is a junction number, because it is equal to n+sod(n) for n = 22111240985 and 22111241003.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 17126575 + ... + 17127865.

It is an arithmetic number, because the mean of its divisors is an integer number (533089536).

Almost surely, 2^22111241020 is an apocalyptic number.

22111241020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22111241020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25588297728).

22111241020 is an abundant number, since it is smaller than the sum of its proper divisors (29065354436).

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

22111241020 is a wasteful number, since it uses less digits than its factorization.

22111241020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051 (or 2049 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22111241020 its reverse (2014211122), we get a palindrome (24125452142).

The spelling of 22111241020 in words is "twenty-two billion, one hundred eleven million, two hundred forty-one thousand, twenty".