100212100221791 has 2 divisors, whose sum is σ = 100212100221792. Its totient is φ = 100212100221790.

The previous prime is 100212100221689. The next prime is 100212100221799. The reversal of 100212100221791 is 197122001212001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100212100221791 - 2³⁸ = 99937222314847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100212100221799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106050110895 + 50106050110896.

It is an arithmetic number, because the mean of its divisors is an integer number (50106050110896).

Almost surely, 2^{100212100221791} is an apocalyptic number.

100212100221791 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212100221791 is an equidigital number, since it uses as much as digits as its factorization.

100212100221791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 29.

Adding to 100212100221791 its reverse (197122001212001), we get a palindrome (297334101433792).

The spelling of 100212100221791 in words is "one hundred trillion, two hundred twelve billion, one hundred million, two hundred twenty-one thousand, seven hundred ninety-one".