13102011121 has 4 divisors (see below), whose sum is σ = 13349218932. Its totient is φ = 12854803312.

The previous prime is 13102011103. The next prime is 13102011137. The reversal of 13102011121 is 12111020131.

It is a happy number.

13102011121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5080838400 + 8021172721 = 71280^2 + 89561^2 .

It is a cyclic number.

It is not a de Polignac number, because 13102011121 - 2¹⁷ = 13101880049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13102011101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123603826 + ... + 123603931.

It is an arithmetic number, because the mean of its divisors is an integer number (3337304733).

Almost surely, 2^13102011121 is an apocalyptic number.

It is an amenable number.

13102011121 is a deficient number, since it is larger than the sum of its proper divisors (247207811).

13102011121 is an equidigital number, since it uses as much as digits as its factorization.

13102011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247207810.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 13102011121 its reverse (12111020131), we get a palindrome (25213031252).

The spelling of 13102011121 in words is "thirteen billion, one hundred two million, eleven thousand, one hundred twenty-one".