2001124002101 has 12 divisors (see below), whose sum is σ = 2332822815648. Its totient is φ = 1711576214712.

The previous prime is 2001124002083. The next prime is 2001124002103. The reversal of 2001124002101 is 1012004211002.

It is a happy number.

It is not a de Polignac number, because 2001124002101 - 2⁶ = 2001124002037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001124002103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43702241 + ... + 43748006.

It is an arithmetic number, because the mean of its divisors is an integer number (194401901304).

Almost surely, 2^{2001124002101} is an apocalyptic number.

It is an amenable number.

2001124002101 is a deficient number, since it is larger than the sum of its proper divisors (331698813547).

2001124002101 is an equidigital number, since it uses as much as digits as its factorization.

2001124002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87450728 (or 87450721 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2001124002101 its reverse (1012004211002), we get a palindrome (3013128213103).

The spelling of 2001124002101 in words is "two trillion, one billion, one hundred twenty-four million, two thousand, one hundred one".