13130021211 has 4 divisors (see below), whose sum is σ = 17506694952. Its totient is φ = 8753347472.

The previous prime is 13130021207. The next prime is 13130021287. The reversal of 13130021211 is 11212003131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13130021211 - 2² = 13130021207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13130021291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2188336866 + ... + 2188336871.

It is an arithmetic number, because the mean of its divisors is an integer number (4376673738).

Almost surely, 2^13130021211 is an apocalyptic number.

13130021211 is a deficient number, since it is larger than the sum of its proper divisors (4376673741).

13130021211 is an equidigital number, since it uses as much as digits as its factorization.

13130021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376673740.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13130021211 its reverse (11212003131), we get a palindrome (24342024342).

The spelling of 13130021211 in words is "thirteen billion, one hundred thirty million, twenty-one thousand, two hundred eleven".