13322021121 has 12 divisors (see below), whose sum is σ = 19350424080. Its totient is φ = 8831729880.

The previous prime is 13322021077. The next prime is 13322021123. The reversal of 13322021121 is 12112022331.

It is not a de Polignac number, because 13322021121 - 2⁷ = 13322020993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13322021094 and 13322021103.

It is not an unprimeable number, because it can be changed into a prime (13322021123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4133095 + ... + 4136316.

It is an arithmetic number, because the mean of its divisors is an integer number (1612535340).

Almost surely, 2^13322021121 is an apocalyptic number.

It is an amenable number.

13322021121 is a deficient number, since it is larger than the sum of its proper divisors (6028402959).

13322021121 is a wasteful number, since it uses less digits than its factorization.

13322021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269596 (or 8269593 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13322021121 its reverse (12112022331), we get a palindrome (25434043452).

The spelling of 13322021121 in words is "thirteen billion, three hundred twenty-two million, twenty-one thousand, one hundred twenty-one".