22048203121 has 24 divisors (see below), whose sum is σ = 26792881920. Its totient is φ = 18056630592.

The previous prime is 22048203109. The next prime is 22048203157. The reversal of 22048203121 is 12130284022.

It is not a de Polignac number, because 22048203121 - 2⁷ = 22048202993 is a prime.

It is a super-2 number, since 2×22048203121² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22048203521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1045560 + ... + 1066438.

It is an arithmetic number, because the mean of its divisors is an integer number (1116370080).

Almost surely, 2^22048203121 is an apocalyptic number.

It is an amenable number.

22048203121 is a deficient number, since it is larger than the sum of its proper divisors (4744678799).

22048203121 is a wasteful number, since it uses less digits than its factorization.

22048203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21853 (or 21846 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 22048203121 its reverse (12130284022), we get a palindrome (34178487143).

The spelling of 22048203121 in words is "twenty-two billion, forty-eight million, two hundred three thousand, one hundred twenty-one".