22120121134 has 16 divisors (see below), whose sum is σ = 33820572240. Its totient is φ = 10848271680.

The previous prime is 22120121123. The next prime is 22120121137. The reversal of 22120121134 is 43112102122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120121137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392104 + ... + 444955.

It is an arithmetic number, because the mean of its divisors is an integer number (2113785765).

Almost surely, 2^22120121134 is an apocalyptic number.

22120121134 is a deficient number, since it is larger than the sum of its proper divisors (11700451106).

22120121134 is a wasteful number, since it uses less digits than its factorization.

22120121134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837315.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22120121134 its reverse (43112102122), we get a palindrome (65232223256).

The spelling of 22120121134 in words is "twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, one hundred thirty-four".