22122221123113 has 8 divisors (see below), whose sum is σ = 23477624164008. Its totient is φ = 20772828739584.

The previous prime is 22122221123059. The next prime is 22122221123131. The reversal of 22122221123113 is 31132112222122.

It can be written as a sum of positive squares in 4 ways, for example, as 6826081106329 + 15296140016784 = 2612677^2 + 3911028^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22122221123113 - 2⁹ = 22122221122601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122221123213) 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, 1502656756 + ... + 1502671477.

It is an arithmetic number, because the mean of its divisors is an integer number (2934703020501).

Almost surely, 2^{22122221123113} is an apocalyptic number.

It is an amenable number.

22122221123113 is a deficient number, since it is larger than the sum of its proper divisors (1355403040895).

22122221123113 is a wasteful number, since it uses less digits than its factorization.

22122221123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005328683.

The product of its digits is 1152, while the sum is 25.

Adding to 22122221123113 its reverse (31132112222122), we get a palindrome (53254333345235).

The spelling of 22122221123113 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-three thousand, one hundred thirteen".