100212220447 has 2 divisors, whose sum is σ = 100212220448. Its totient is φ = 100212220446.

The previous prime is 100212220291. The next prime is 100212220457. The reversal of 100212220447 is 744022212001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100212220447 - 2¹⁹ = 100211696159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100212220457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106110223 + 50106110224.

It is an arithmetic number, because the mean of its divisors is an integer number (50106110224).

Almost surely, 2^100212220447 is an apocalyptic number.

100212220447 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212220447 is an equidigital number, since it uses as much as digits as its factorization.

100212220447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 25.

Adding to 100212220447 its reverse (744022212001), we get a palindrome (844234432448).

The spelling of 100212220447 in words is "one hundred billion, two hundred twelve million, two hundred twenty thousand, four hundred forty-seven".