22113003121 has 16 divisors (see below), whose sum is σ = 25629589440. Its totient is φ = 18884940480.

The previous prime is 22113003097. The next prime is 22113003191. The reversal of 22113003121 is 12130031122.

It is a cyclic number.

It is not a de Polignac number, because 22113003121 - 2⁹ = 22113002609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22113003095 and 22113003104.

It is not an unprimeable number, because it can be changed into a prime (22113003191) 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, 924951 + ... + 948556.

It is an arithmetic number, because the mean of its divisors is an integer number (1601849340).

Almost surely, 2^22113003121 is an apocalyptic number.

It is an amenable number.

22113003121 is a deficient number, since it is larger than the sum of its proper divisors (3516586319).

22113003121 is a wasteful number, since it uses less digits than its factorization.

22113003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873584.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22113003121 its reverse (12130031122), we get a palindrome (34243034243).

The spelling of 22113003121 in words is "twenty-two billion, one hundred thirteen million, three thousand, one hundred twenty-one".