100212221102111 has 2 divisors, whose sum is σ = 100212221102112. Its totient is φ = 100212221102110.

The previous prime is 100212221102083. The next prime is 100212221102117. The reversal of 100212221102111 is 111201122212001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100212221102111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100212221102111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100212221102117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106110551055 + 50106110551056.

It is an arithmetic number, because the mean of its divisors is an integer number (50106110551056).

Almost surely, 2^{100212221102111} is an apocalyptic number.

100212221102111 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212221102111 is an equidigital number, since it uses as much as digits as its factorization.

100212221102111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100212221102111 its reverse (111201122212001), we get a palindrome (211413343314112).

The spelling of 100212221102111 in words is "one hundred trillion, two hundred twelve billion, two hundred twenty-one million, one hundred two thousand, one hundred eleven".