22123013021112 has 32 divisors (see below), whose sum is σ = 55307988057600. Its totient is φ = 7374276939744.

The previous prime is 22123013021071. The next prime is 22123013021171. The reversal of 22123013021112 is 21112031032122.

It is a super-2 number, since 2×22123013021112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771912 + ... + 6696407.

It is an arithmetic number, because the mean of its divisors is an integer number (1728374626800).

Almost surely, 2^{22123013021112} is an apocalyptic number.

It is an amenable number.

22123013021112 is an abundant number, since it is smaller than the sum of its proper divisors (33184975036488).

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

22123013021112 is a wasteful number, since it uses less digits than its factorization.

22123013021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7591755 (or 7591751 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 22123013021112 its reverse (21112031032122), we get a palindrome (43235044053234).

The spelling of 22123013021112 in words is "twenty-two trillion, one hundred twenty-three billion, thirteen million, twenty-one thousand, one hundred twelve".