1112212209971 has 2 divisors, whose sum is σ = 1112212209972. Its totient is φ = 1112212209970.

The previous prime is 1112212209949. The next prime is 1112212210163. The reversal of 1112212209971 is 1799022122111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112212209971 - 2³⁸ = 837334303027 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112212209071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556106104985 + 556106104986.

It is an arithmetic number, because the mean of its divisors is an integer number (556106104986).

Almost surely, 2^{1112212209971} is an apocalyptic number.

1112212209971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112212209971 is an equidigital number, since it uses as much as digits as its factorization.

1112212209971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 38.

The spelling of 1112212209971 in words is "one trillion, one hundred twelve billion, two hundred twelve million, two hundred nine thousand, nine hundred seventy-one".