2112324232157 has 2 divisors, whose sum is σ = 2112324232158. Its totient is φ = 2112324232156.

The previous prime is 2112324232079. The next prime is 2112324232159. The reversal of 2112324232157 is 7512324232112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2111517047236 + 807184921 = 1453106^2 + 28411^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112324232157 - 2¹⁴ = 2112324215773 is a prime.

Together with 2112324232159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112324232159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056162116078 + 1056162116079.

It is an arithmetic number, because the mean of its divisors is an integer number (1056162116079).

Almost surely, 2^{2112324232157} is an apocalyptic number.

It is an amenable number.

2112324232157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112324232157 is an equidigital number, since it uses as much as digits as its factorization.

2112324232157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

Adding to 2112324232157 its reverse (7512324232112), we get a palindrome (9624648464269).

The spelling of 2112324232157 in words is "two trillion, one hundred twelve billion, three hundred twenty-four million, two hundred thirty-two thousand, one hundred fifty-seven".