100211211913 has 2 divisors, whose sum is σ = 100211211914. Its totient is φ = 100211211912.

The previous prime is 100211211911. The next prime is 100211211923. The reversal of 100211211913 is 319112112001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98604164169 + 1607047744 = 314013^2 + 40088^2 .

It is a cyclic number.

It is not a de Polignac number, because 100211211913 - 2¹ = 100211211911 is a prime.

Together with 100211211911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100211211911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105605956 + 50105605957.

It is an arithmetic number, because the mean of its divisors is an integer number (50105605957).

Almost surely, 2^100211211913 is an apocalyptic number.

It is an amenable number.

100211211913 is a deficient number, since it is larger than the sum of its proper divisors (1).

100211211913 is an equidigital number, since it uses as much as digits as its factorization.

100211211913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 22.

Adding to 100211211913 its reverse (319112112001), we get a palindrome (419323323914).

The spelling of 100211211913 in words is "one hundred billion, two hundred eleven million, two hundred eleven thousand, nine hundred thirteen".