20112111244422 has 24 divisors (see below), whose sum is σ = 43577096936880. Its totient is φ = 6703905403440.

The previous prime is 20112111244361. The next prime is 20112111244469. The reversal of 20112111244422 is 22444211121102.

20112111244422 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 211 + 1 + 2 + 4 + 442 + 2 = 666.

It is a super-2 number, since 2×20112111244422² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10029097 + ... + 11866212.

It is an arithmetic number, because the mean of its divisors is an integer number (1815712372370).

Almost surely, 2^{20112111244422} is an apocalyptic number.

20112111244422 is an abundant number, since it is smaller than the sum of its proper divisors (23464985692458).

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

20112111244422 is a wasteful number, since it uses less digits than its factorization.

20112111244422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21946348 (or 21946345 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 20112111244422 its reverse (22444211121102), we get a palindrome (42556322365524).

The spelling of 20112111244422 in words is "twenty trillion, one hundred twelve billion, one hundred eleven million, two hundred forty-four thousand, four hundred twenty-two".