2123112102013 has 16 divisors (see below), whose sum is σ = 2451520000384. Its totient is φ = 1800982149120.

The previous prime is 2123112101989. The next prime is 2123112102017. The reversal of 2123112102013 is 3102012113212.

It is not a de Polignac number, because 2123112102013 - 2⁹ = 2123112101501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123112102017) 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, 28155106 + ... + 28230412.

It is an arithmetic number, because the mean of its divisors is an integer number (153220000024).

Almost surely, 2^{2123112102013} is an apocalyptic number.

It is an amenable number.

2123112102013 is a deficient number, since it is larger than the sum of its proper divisors (328407898371).

2123112102013 is an equidigital number, since it uses as much as digits as its factorization.

2123112102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116932.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2123112102013 its reverse (3102012113212), we get a palindrome (5225124215225).

The spelling of 2123112102013 in words is "two trillion, one hundred twenty-three billion, one hundred twelve million, one hundred two thousand, thirteen".