2101001342203 has 4 divisors (see below), whose sum is σ = 2102419980648. Its totient is φ = 2099582703760.

The previous prime is 2101001342197. The next prime is 2101001342291. The reversal of 2101001342203 is 3022431001012.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101001342203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101001342303) 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, 709317001 + ... + 709319962.

It is an arithmetic number, because the mean of its divisors is an integer number (525604995162).

Almost surely, 2^{2101001342203} is an apocalyptic number.

2101001342203 is a deficient number, since it is larger than the sum of its proper divisors (1418638445).

2101001342203 is a wasteful number, since it uses less digits than its factorization.

2101001342203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418638444.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2101001342203 its reverse (3022431001012), we get a palindrome (5123432343215).

The spelling of 2101001342203 in words is "two trillion, one hundred one billion, one million, three hundred forty-two thousand, two hundred three".