13033330121 has 16 divisors (see below), whose sum is σ = 15860064000. Its totient is φ = 10685705184.

The previous prime is 13033330091. The next prime is 13033330129. The reversal of 13033330121 is 12103333031.

It is not a de Polignac number, because 13033330121 - 2²² = 13029135817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13033330093 and 13033330102.

It is not an unprimeable number, because it can be changed into a prime (13033330129) 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, 818156 + ... + 833933.

It is an arithmetic number, because the mean of its divisors is an integer number (991254000).

Almost surely, 2^13033330121 is an apocalyptic number.

It is an amenable number.

13033330121 is a deficient number, since it is larger than the sum of its proper divisors (2826733879).

13033330121 is an equidigital number, since it uses as much as digits as its factorization.

13033330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652133 (or 1652119 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13033330121 its reverse (12103333031), we get a palindrome (25136663152).

The spelling of 13033330121 in words is "thirteen billion, thirty-three million, three hundred thirty thousand, one hundred twenty-one".