22143133212121 has 16 divisors (see below), whose sum is σ = 22342455244800. Its totient is φ = 21944211690240.

The previous prime is 22143133212023. The next prime is 22143133212133. The reversal of 22143133212121 is 12121233134122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22143133212121 - 2¹⁵ = 22143133179353 is a prime.

It is a super-3 number, since 3×22143133212121³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22143133212121.

It is not an unprimeable number, because it can be changed into a prime (22143133282121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614778705 + ... + 614814721.

It is an arithmetic number, because the mean of its divisors is an integer number (1396403452800).

Almost surely, 2^{22143133212121} is an apocalyptic number.

It is an amenable number.

22143133212121 is a deficient number, since it is larger than the sum of its proper divisors (199322032679).

22143133212121 is a wasteful number, since it uses less digits than its factorization.

22143133212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41424.

The product of its digits is 3456, while the sum is 28.

Adding to 22143133212121 its reverse (12121233134122), we get a palindrome (34264366346243).

The spelling of 22143133212121 in words is "twenty-two trillion, one hundred forty-three billion, one hundred thirty-three million, two hundred twelve thousand, one hundred twenty-one".