2212101971 has 2 divisors, whose sum is σ = 2212101972. Its totient is φ = 2212101970.

The previous prime is 2212101967. The next prime is 2212102021. The reversal of 2212101971 is 1791012122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2212101971 - 2² = 2212101967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212101971.

It is not a weakly prime, because it can be changed into another prime (2212101901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106050985 + 1106050986.

It is an arithmetic number, because the mean of its divisors is an integer number (1106050986).

Almost surely, 2^2212101971 is an apocalyptic number.

2212101971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212101971 is an equidigital number, since it uses as much as digits as its factorization.

2212101971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 2212101971 is about 47032.9881147265. The cubic root of 2212101971 is about 1302.9718933661.

The spelling of 2212101971 in words is "two billion, two hundred twelve million, one hundred one thousand, nine hundred seventy-one".