211001103919 has 2 divisors, whose sum is σ = 211001103920. Its totient is φ = 211001103918.

The previous prime is 211001103917. The next prime is 211001103967. The reversal of 211001103919 is 919301100112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211001103919 - 2¹ = 211001103917 is a prime.

It is a super-2 number, since 2×211001103919² (a number of 23 digits) contains 22 as substring.

Together with 211001103917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211001103917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105500551959 + 105500551960.

It is an arithmetic number, because the mean of its divisors is an integer number (105500551960).

Almost surely, 2^211001103919 is an apocalyptic number.

211001103919 is a deficient number, since it is larger than the sum of its proper divisors (1).

211001103919 is an equidigital number, since it uses as much as digits as its factorization.

211001103919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 28.

The spelling of 211001103919 in words is "two hundred eleven billion, one million, one hundred three thousand, nine hundred nineteen".