22125112112105 has 16 divisors (see below), whose sum is σ = 28710032843520. Its totient is φ = 16304463090432.

The previous prime is 22125112112009. The next prime is 22125112112111. The reversal of 22125112112105 is 50121121152122.

It is a cyclic number.

It is not a de Polignac number, because 22125112112105 - 2³⁶ = 22056392635369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2769096395 + ... + 2769104384.

It is an arithmetic number, because the mean of its divisors is an integer number (1794377052720).

Almost surely, 2^{22125112112105} is an apocalyptic number.

It is an amenable number.

22125112112105 is a deficient number, since it is larger than the sum of its proper divisors (6584920731415).

22125112112105 is a wasteful number, since it uses less digits than its factorization.

22125112112105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538200848.

The product of its (nonzero) digits is 800, while the sum is 26.

Adding to 22125112112105 its reverse (50121121152122), we get a palindrome (72246233264227).

The spelling of 22125112112105 in words is "twenty-two trillion, one hundred twenty-five billion, one hundred twelve million, one hundred twelve thousand, one hundred five".