2102120113301 has 4 divisors (see below), whose sum is σ = 2263821660492. Its totient is φ = 1940418566112.

The previous prime is 2102120113273. The next prime is 2102120113339. The reversal of 2102120113301 is 1033110212012.

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 1437241322500 + 664878790801 = 1198850^2 + 815401^2 .

It is not a de Polignac number, because 2102120113301 - 2⁶ = 2102120113237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2102120113301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102120113391) 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, 80850773576 + ... + 80850773601.

It is an arithmetic number, because the mean of its divisors is an integer number (565955415123).

Almost surely, 2^{2102120113301} is an apocalyptic number.

It is an amenable number.

2102120113301 is a deficient number, since it is larger than the sum of its proper divisors (161701547191).

2102120113301 is a wasteful number, since it uses less digits than its factorization.

2102120113301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161701547190.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2102120113301 its reverse (1033110212012), we get a palindrome (3135230325313).

The spelling of 2102120113301 in words is "two trillion, one hundred two billion, one hundred twenty million, one hundred thirteen thousand, three hundred one".