210012222000991 has 2 divisors, whose sum is σ = 210012222000992. Its totient is φ = 210012222000990.

The previous prime is 210012222000967. The next prime is 210012222001009. The reversal of 210012222000991 is 199000222210012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210012222000991 - 2⁹ = 210012222000479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210012222000961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105006111000495 + 105006111000496.

It is an arithmetic number, because the mean of its divisors is an integer number (105006111000496).

Almost surely, 2^{210012222000991} is an apocalyptic number.

210012222000991 is a deficient number, since it is larger than the sum of its proper divisors (1).

210012222000991 is an equidigital number, since it uses as much as digits as its factorization.

210012222000991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 210012222000991 in words is "two hundred ten trillion, twelve billion, two hundred twenty-two million, nine hundred ninety-one", and thus it is an aban number.