100212231211 has 2 divisors, whose sum is σ = 100212231212. Its totient is φ = 100212231210.

The previous prime is 100212231169. The next prime is 100212231233. The reversal of 100212231211 is 112132212001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100212231211 is a prime.

It is not a weakly prime, because it can be changed into another prime (100212231241) 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, 50106115605 + 50106115606.

It is an arithmetic number, because the mean of its divisors is an integer number (50106115606).

Almost surely, 2^100212231211 is an apocalyptic number.

100212231211 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212231211 is an equidigital number, since it uses as much as digits as its factorization.

100212231211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 100212231211 its reverse (112132212001), we get a palindrome (212344443212).

The spelling of 100212231211 in words is "one hundred billion, two hundred twelve million, two hundred thirty-one thousand, two hundred eleven".