222121123113 has 8 divisors (see below), whose sum is σ = 311748944800. Its totient is φ = 140287025088.

The previous prime is 222121123099. The next prime is 222121123153. The reversal of 222121123113 is 311321121222.

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

It is not a de Polignac number, because 222121123113 - 2⁴ = 222121123097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222121123113.

It is not an unprimeable number, because it can be changed into a prime (222121123153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1948430848 + ... + 1948430961.

It is an arithmetic number, because the mean of its divisors is an integer number (38968618100).

Almost surely, 2^222121123113 is an apocalyptic number.

It is an amenable number.

222121123113 is a deficient number, since it is larger than the sum of its proper divisors (89627821687).

222121123113 is a wasteful number, since it uses less digits than its factorization.

222121123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896861831.

The product of its digits is 288, while the sum is 21.

Adding to 222121123113 its reverse (311321121222), we get a palindrome (533442244335).

The spelling of 222121123113 in words is "two hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-three thousand, one hundred thirteen".