2001302213101 has 4 divisors (see below), whose sum is σ = 2001411586204. Its totient is φ = 2001192840000.

The previous prime is 2001302213093. The next prime is 2001302213137. The reversal of 2001302213101 is 1013122031002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1000700122500 + 1000602090601 = 1000350^2 + 1000301^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001302213101 - 2³ = 2001302213093 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 (2001302213171) 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, 54659100 + ... + 54695701.

It is an arithmetic number, because the mean of its divisors is an integer number (500352896551).

Almost surely, 2^{2001302213101} is an apocalyptic number.

It is an amenable number.

2001302213101 is a deficient number, since it is larger than the sum of its proper divisors (109373103).

2001302213101 is a wasteful number, since it uses less digits than its factorization.

2001302213101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109373102.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2001302213101 its reverse (1013122031002), we get a palindrome (3014424244103).

The spelling of 2001302213101 in words is "two trillion, one billion, three hundred two million, two hundred thirteen thousand, one hundred one".