22121060143 has 36 divisors (see below), whose sum is σ = 27983452320. Its totient is φ = 17427586176.

The previous prime is 22121060123. The next prime is 22121060149. The reversal of 22121060143 is 34106012122.

It is not a de Polignac number, because 22121060143 - 2⁵ = 22121060111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121060149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1973571 + ... + 1984747.

It is an arithmetic number, because the mean of its divisors is an integer number (777318120).

Almost surely, 2^22121060143 is an apocalyptic number.

22121060143 is a deficient number, since it is larger than the sum of its proper divisors (5862392177).

22121060143 is a wasteful number, since it uses less digits than its factorization.

22121060143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11456 (or 11436 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22121060143 its reverse (34106012122), we get a palindrome (56227072265).

The spelling of 22121060143 in words is "twenty-two billion, one hundred twenty-one million, sixty thousand, one hundred forty-three".