2112103012213 has 2 divisors, whose sum is σ = 2112103012214. Its totient is φ = 2112103012212.

The previous prime is 2112103012177. The next prime is 2112103012259. The reversal of 2112103012213 is 3122103012112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2068079838724 + 44023173489 = 1438082^2 + 209817^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112103012213 - 2⁹ = 2112103011701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112103012813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056051506106 + 1056051506107.

It is an arithmetic number, because the mean of its divisors is an integer number (1056051506107).

Almost surely, 2^{2112103012213} is an apocalyptic number.

It is an amenable number.

2112103012213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112103012213 is an equidigital number, since it uses as much as digits as its factorization.

2112103012213 is an evil number, because the sum of its binary digits is even.

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

Adding to 2112103012213 its reverse (3122103012112), we get a palindrome (5234206024325).

The spelling of 2112103012213 in words is "two trillion, one hundred twelve billion, one hundred three million, twelve thousand, two hundred thirteen".