22113102012 has 24 divisors (see below), whose sum is σ = 51599788800. Its totient is φ = 7370669616.

The previous prime is 22113101999. The next prime is 22113102013. The reversal of 22113102012 is 21020131122.

It is a junction number, because it is equal to n+sod(n) for n = 22113101982 and 22113102000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113102013) 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, 333439 + ... + 394217.

It is an arithmetic number, because the mean of its divisors is an integer number (2149991200).

Almost surely, 2^22113102012 is an apocalyptic number.

It is an amenable number.

22113102012 is an abundant number, since it is smaller than the sum of its proper divisors (29486686788).

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

22113102012 is a wasteful number, since it uses less digits than its factorization.

22113102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91105 (or 91103 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22113102012 its reverse (21020131122), we get a palindrome (43133233134).

The spelling of 22113102012 in words is "twenty-two billion, one hundred thirteen million, one hundred two thousand, twelve".