100221212012071 has 2 divisors, whose sum is σ = 100221212012072. Its totient is φ = 100221212012070.

The previous prime is 100221212012063. The next prime is 100221212012111. The reversal of 100221212012071 is 170210212122001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100221212012071 - 2³ = 100221212012063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100221212012171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110606006035 + 50110606006036.

It is an arithmetic number, because the mean of its divisors is an integer number (50110606006036).

Almost surely, 2^{100221212012071} is an apocalyptic number.

100221212012071 is a deficient number, since it is larger than the sum of its proper divisors (1).

100221212012071 is an equidigital number, since it uses as much as digits as its factorization.

100221212012071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 100221212012071 its reverse (170210212122001), we get a palindrome (270431424134072).

The spelling of 100221212012071 in words is "one hundred trillion, two hundred twenty-one billion, two hundred twelve million, twelve thousand, seventy-one".