2101320412103 has 4 divisors (see below), whose sum is σ = 2292349540488. Its totient is φ = 1910291283720.

The previous prime is 2101320412063. The next prime is 2101320412109. The reversal of 2101320412103 is 3012140231012.

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

It is a cyclic number.

It is not a de Polignac number, because 2101320412103 - 2¹⁰ = 2101320411079 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 (2101320412109) 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, 95514564176 + ... + 95514564197.

It is an arithmetic number, because the mean of its divisors is an integer number (573087385122).

Almost surely, 2^{2101320412103} is an apocalyptic number.

2101320412103 is a deficient number, since it is larger than the sum of its proper divisors (191029128385).

2101320412103 is a wasteful number, since it uses less digits than its factorization.

2101320412103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191029128384.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2101320412103 its reverse (3012140231012), we get a palindrome (5113460643115).

The spelling of 2101320412103 in words is "two trillion, one hundred one billion, three hundred twenty million, four hundred twelve thousand, one hundred three".