12212221112113 has 16 divisors (see below), whose sum is σ = 13409627702400. Its totient is φ = 11029517452800.

The previous prime is 12212221112087. The next prime is 12212221112167. The reversal of 12212221112113 is 31121112221221.

It is not a de Polignac number, because 12212221112113 - 2⁵ = 12212221112081 is a prime.

It is a super-2 number, since 2×12212221112113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212221112513) 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 15 ways as a sum of consecutive naturals, for example, 2773120 + ... + 5666977.

It is an arithmetic number, because the mean of its divisors is an integer number (838101731400).

Almost surely, 2^{12212221112113} is an apocalyptic number.

It is an amenable number.

12212221112113 is a deficient number, since it is larger than the sum of its proper divisors (1197406590287).

12212221112113 is a wasteful number, since it uses less digits than its factorization.

12212221112113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8440968.

The product of its digits is 192, while the sum is 22.

Adding to 12212221112113 its reverse (31121112221221), we get a palindrome (43333333333334).

The spelling of 12212221112113 in words is "twelve trillion, two hundred twelve billion, two hundred twenty-one million, one hundred twelve thousand, one hundred thirteen".