22121112134 has 16 divisors (see below), whose sum is σ = 36369746496. Its totient is φ = 10007394600.

The previous prime is 22121112133. The next prime is 22121112179. The reversal of 22121112134 is 43121112122.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121112133) 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, 2378072 + ... + 2387355.

It is an arithmetic number, because the mean of its divisors is an integer number (2273109156).

Almost surely, 2^22121112134 is an apocalyptic number.

22121112134 is a deficient number, since it is larger than the sum of its proper divisors (14248634362).

22121112134 is a wasteful number, since it uses less digits than its factorization.

22121112134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765651.

The product of its digits is 192, while the sum is 20.

Adding to 22121112134 its reverse (43121112122), we get a palindrome (65242224256).

The spelling of 22121112134 in words is "twenty-two billion, one hundred twenty-one million, one hundred twelve thousand, one hundred thirty-four".