2212111012187 has 2 divisors, whose sum is σ = 2212111012188. Its totient is φ = 2212111012186.

The previous prime is 2212111012169. The next prime is 2212111012229. The reversal of 2212111012187 is 7812101112122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2212111012187 - 2⁶ = 2212111012123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212111012127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106055506093 + 1106055506094.

It is an arithmetic number, because the mean of its divisors is an integer number (1106055506094).

Almost surely, 2^{2212111012187} is an apocalyptic number.

2212111012187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212111012187 is an equidigital number, since it uses as much as digits as its factorization.

2212111012187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 29.

The spelling of 2212111012187 in words is "two trillion, two hundred twelve billion, one hundred eleven million, twelve thousand, one hundred eighty-seven".