2001011201113 has 4 divisors (see below), whose sum is σ = 2065559949568. Its totient is φ = 1936462452660.

The previous prime is 2001011201083. The next prime is 2001011201149. The reversal of 2001011201113 is 3111021101002.

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 2001011201113 - 2²⁹ = 2000474330201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001011201093 and 2001011201102.

It is not an unprimeable number, because it can be changed into a prime (2001011201183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32274374181 + ... + 32274374242.

It is an arithmetic number, because the mean of its divisors is an integer number (516389987392).

Almost surely, 2^{2001011201113} is an apocalyptic number.

It is an amenable number.

2001011201113 is a deficient number, since it is larger than the sum of its proper divisors (64548748455).

2001011201113 is an equidigital number, since it uses as much as digits as its factorization.

2001011201113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64548748454.

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

Adding to 2001011201113 its reverse (3111021101002), we get a palindrome (5112032302115).

The spelling of 2001011201113 in words is "two trillion, one billion, eleven million, two hundred one thousand, one hundred thirteen".