2112153187 has 2 divisors, whose sum is σ = 2112153188. Its totient is φ = 2112153186.

The previous prime is 2112153167. The next prime is 2112153193. The reversal of 2112153187 is 7813512112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112153187 is a prime.

It is a super-2 number, since 2×2112153187² = 8922382170708513938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112153137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056076593 + 1056076594.

It is an arithmetic number, because the mean of its divisors is an integer number (1056076594).

Almost surely, 2^2112153187 is an apocalyptic number.

2112153187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112153187 is an equidigital number, since it uses as much as digits as its factorization.

2112153187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 31.

The square root of 2112153187 is about 45958.1677942017. The cubic root of 2112153187 is about 1283.0447509808.

Adding to 2112153187 its reverse (7813512112), we get a palindrome (9925665299).

The spelling of 2112153187 in words is "two billion, one hundred twelve million, one hundred fifty-three thousand, one hundred eighty-seven".