13101121002001 has 4 divisors (see below), whose sum is σ = 13323173900400. Its totient is φ = 12879068103604.

The previous prime is 13101121001987. The next prime is 13101121002031. The reversal of 13101121002001 is 10020012110131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13101121002001 - 2¹⁹ = 13101120477713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13101121002031) 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, 111026449111 + ... + 111026449228.

It is an arithmetic number, because the mean of its divisors is an integer number (3330793475100).

Almost surely, 2^{13101121002001} is an apocalyptic number.

It is an amenable number.

13101121002001 is a deficient number, since it is larger than the sum of its proper divisors (222052898399).

13101121002001 is an equidigital number, since it uses as much as digits as its factorization.

13101121002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222052898398.

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

Adding to 13101121002001 its reverse (10020012110131), we get a palindrome (23121133112132).

The spelling of 13101121002001 in words is "thirteen trillion, one hundred one billion, one hundred twenty-one million, two thousand, one".