22121033241143 has 48 divisors (see below), whose sum is σ = 23819197167360. Its totient is φ = 20471678562816.

The previous prime is 22121033241133. The next prime is 22121033241161. The reversal of 22121033241143 is 34114233012122.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-22121033241143 is a prime.

It is a super-2 number, since 2×22121033241143² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121033241133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34190159246 + ... + 34190159892.

It is an arithmetic number, because the mean of its divisors is an integer number (496233274320).

Almost surely, 2^{22121033241143} is an apocalyptic number.

22121033241143 is a deficient number, since it is larger than the sum of its proper divisors (1698163926217).

22121033241143 is a wasteful number, since it uses less digits than its factorization.

22121033241143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 22121033241143 its reverse (34114233012122), we get a palindrome (56235266253265).

The spelling of 22121033241143 in words is "twenty-two trillion, one hundred twenty-one billion, thirty-three million, two hundred forty-one thousand, one hundred forty-three".