2001112002101 has 4 divisors (see below), whose sum is σ = 2001705631104. Its totient is φ = 2000518373100.

The previous prime is 2001112002091. The next prime is 2001112002119. The reversal of 2001112002101 is 1012002111002.

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 2001112002101 - 2⁶ = 2001112002037 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 (2001112002151) 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, 296809445 + ... + 296816186.

It is an arithmetic number, because the mean of its divisors is an integer number (500426407776).

Almost surely, 2^{2001112002101} is an apocalyptic number.

It is an amenable number.

2001112002101 is a deficient number, since it is larger than the sum of its proper divisors (593629003).

2001112002101 is an equidigital number, since it uses as much as digits as its factorization.

2001112002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593629002.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2001112002101 its reverse (1012002111002), we get a palindrome (3013114113103).

The spelling of 2001112002101 in words is "two trillion, one billion, one hundred twelve million, two thousand, one hundred one".