13211000121 has 32 divisors (see below), whose sum is σ = 19392086016. Its totient is φ = 7933464000.

The previous prime is 13211000113. The next prime is 13211000149. The reversal of 13211000121 is 12100011231.

It is not a de Polignac number, because 13211000121 - 2³ = 13211000113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13211000097 and 13211000106.

It is not an unprimeable number, because it can be changed into a prime (13211000171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4445166 + ... + 4448136.

It is an arithmetic number, because the mean of its divisors is an integer number (606002688).

Almost surely, 2^13211000121 is an apocalyptic number.

13211000121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13211000121 is a deficient number, since it is larger than the sum of its proper divisors (6181085895).

13211000121 is a wasteful number, since it uses less digits than its factorization.

13211000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 13211000121 its reverse (12100011231), we get a palindrome (25311011352).

The spelling of 13211000121 in words is "thirteen billion, two hundred eleven million, one hundred twenty-one", and thus it is an aban number.