2123011130113 has 4 divisors (see below), whose sum is σ = 2123021975620. Its totient is φ = 2123000284608.

The previous prime is 2123011130099. The next prime is 2123011130143. The reversal of 2123011130113 is 3110311103212.

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 1272176456464 + 850834673649 = 1127908^2 + 922407^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123011130113 - 2²⁵ = 2122977575681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123011130143) 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, 5123628 + ... + 5522461.

It is an arithmetic number, because the mean of its divisors is an integer number (530755493905).

Almost surely, 2^{2123011130113} is an apocalyptic number.

It is an amenable number.

2123011130113 is a deficient number, since it is larger than the sum of its proper divisors (10845507).

2123011130113 is a wasteful number, since it uses less digits than its factorization.

2123011130113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10845506.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2123011130113 its reverse (3110311103212), we get a palindrome (5233322233325).

The spelling of 2123011130113 in words is "two trillion, one hundred twenty-three billion, eleven million, one hundred thirty thousand, one hundred thirteen".