2123101212113 has 16 divisors (see below), whose sum is σ = 2527710433920. Its totient is φ = 1745323843200.

The previous prime is 2123101212109. The next prime is 2123101212143. The reversal of 2123101212113 is 3112121013212.

It is not a de Polignac number, because 2123101212113 - 2² = 2123101212109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123101212103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62674298 + ... + 62708163.

It is an arithmetic number, because the mean of its divisors is an integer number (157981902120).

Almost surely, 2^{2123101212113} is an apocalyptic number.

It is an amenable number.

2123101212113 is a deficient number, since it is larger than the sum of its proper divisors (404609221807).

2123101212113 is a wasteful number, since it uses less digits than its factorization.

2123101212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125382568.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2123101212113 its reverse (3112121013212), we get a palindrome (5235222225325).

The spelling of 2123101212113 in words is "two trillion, one hundred twenty-three billion, one hundred one million, two hundred twelve thousand, one hundred thirteen".