2113201321001 has 16 divisors (see below), whose sum is σ = 2189001196800. Its totient is φ = 2037598752000.

The previous prime is 2113201320947. The next prime is 2113201321009. The reversal of 2113201321001 is 1001231023112.

It is a cyclic number.

It is not a de Polignac number, because 2113201321001 - 2²² = 2113197126697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2113201321009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67821776 + ... + 67852926.

It is an arithmetic number, because the mean of its divisors is an integer number (136812574800).

Almost surely, 2^{2113201321001} is an apocalyptic number.

It is an amenable number.

2113201321001 is a deficient number, since it is larger than the sum of its proper divisors (75799875799).

2113201321001 is a wasteful number, since it uses less digits than its factorization.

2113201321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34240.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2113201321001 its reverse (1001231023112), we get a palindrome (3114432344113).

The spelling of 2113201321001 in words is "two trillion, one hundred thirteen billion, two hundred one million, three hundred twenty-one thousand, one".