13121110001 has 8 divisors (see below), whose sum is σ = 13644633600. Its totient is φ = 12602324560.

The previous prime is 13121109977. The next prime is 13121110033. The reversal of 13121110001 is 10001112131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13121110001 - 2¹⁴ = 13121093617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13121112001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178891 + ... + 1189968.

It is an arithmetic number, because the mean of its divisors is an integer number (1705579200).

Almost surely, 2^13121110001 is an apocalyptic number.

It is an amenable number.

13121110001 is a deficient number, since it is larger than the sum of its proper divisors (523523599).

13121110001 is a wasteful number, since it uses less digits than its factorization.

13121110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369079.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 13121110001 its reverse (10001112131), we get a palindrome (23122222132).

The spelling of 13121110001 in words is "thirteen billion, one hundred twenty-one million, one hundred ten thousand, one".