13101121131011 has 4 divisors (see below), whose sum is σ = 13104802258800. Its totient is φ = 13097440003224.

The previous prime is 13101121130879. The next prime is 13101121131013. The reversal of 13101121131011 is 11013112110131.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13101121131011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13101121131013) 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, 1840558556 + ... + 1840565673.

It is an arithmetic number, because the mean of its divisors is an integer number (3276200564700).

Almost surely, 2^{13101121131011} is an apocalyptic number.

13101121131011 is a deficient number, since it is larger than the sum of its proper divisors (3681127789).

13101121131011 is an equidigital number, since it uses as much as digits as its factorization.

13101121131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681127788.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 13101121131011 its reverse (11013112110131), we get a palindrome (24114233241142).

The spelling of 13101121131011 in words is "thirteen trillion, one hundred one billion, one hundred twenty-one million, one hundred thirty-one thousand, eleven".