13121102241 has 24 divisors (see below), whose sum is σ = 20557467840. Its totient is φ = 8016424416.

The previous prime is 13121102233. The next prime is 13121102279. The reversal of 13121102241 is 14220112131.

13121102241 is a `hidden beast` number, since 1 + 312 + 110 + 2 + 241 = 666.

It is not a de Polignac number, because 13121102241 - 2³ = 13121102233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13121102201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 387141 + ... + 419666.

It is an arithmetic number, because the mean of its divisors is an integer number (856561160).

Almost surely, 2^13121102241 is an apocalyptic number.

It is an amenable number.

13121102241 is a deficient number, since it is larger than the sum of its proper divisors (7436365599).

13121102241 is a wasteful number, since it uses less digits than its factorization.

13121102241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806965 (or 806962 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 13121102241 its reverse (14220112131), we get a palindrome (27341214372).

The spelling of 13121102241 in words is "thirteen billion, one hundred twenty-one million, one hundred two thousand, two hundred forty-one".