22121161162122 has 16 divisors (see below), whose sum is σ = 48264351626592. Its totient is φ = 6703382170320.

The previous prime is 22121161162117. The next prime is 22121161162183. The reversal of 22121161162122 is 22126116112122.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22121161162122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167584554193 + ... + 167584554324.

It is an arithmetic number, because the mean of its divisors is an integer number (3016521976662).

Almost surely, 2^{22121161162122} is an apocalyptic number.

22121161162122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22121161162122 is an abundant number, since it is smaller than the sum of its proper divisors (26143190464470).

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

22121161162122 is a wasteful number, since it uses less digits than its factorization.

22121161162122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335169108533.

The product of its digits is 2304, while the sum is 30.

Adding to 22121161162122 its reverse (22126116112122), we get a palindrome (44247277274244).

The spelling of 22121161162122 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred sixty-one million, one hundred sixty-two thousand, one hundred twenty-two".