2103305502101 has 4 divisors (see below), whose sum is σ = 2105129705772. Its totient is φ = 2101481298432.

The previous prime is 2103305502097. The next prime is 2103305502121. The reversal of 2103305502101 is 1012055033012.

It is a happy number.

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 1693769499601 + 409536002500 = 1301449^2 + 639950^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103305502101 - 2² = 2103305502097 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 (2103305502121) 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, 912100106 + ... + 912102411.

It is an arithmetic number, because the mean of its divisors is an integer number (526282426443).

Almost surely, 2^{2103305502101} is an apocalyptic number.

It is an amenable number.

2103305502101 is a deficient number, since it is larger than the sum of its proper divisors (1824203671).

2103305502101 is a wasteful number, since it uses less digits than its factorization.

2103305502101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824203670.

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 2103305502101 in words is "two trillion, one hundred three billion, three hundred five million, five hundred two thousand, one hundred one".