21011111000119 has 2 divisors, whose sum is σ = 21011111000120. Its totient is φ = 21011111000118.

The previous prime is 21011111000071. The next prime is 21011111000141. The reversal of 21011111000119 is 91100011111012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21011111000119 - 2⁹ = 21011110999607 is a prime.

It is a super-2 number, since 2×21011111000119² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21011111000096 and 21011111000105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21011111000149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505555500059 + 10505555500060.

It is an arithmetic number, because the mean of its divisors is an integer number (10505555500060).

Almost surely, 2^{21011111000119} is an apocalyptic number.

21011111000119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21011111000119 is an equidigital number, since it uses as much as digits as its factorization.

21011111000119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 19.

The spelling of 21011111000119 in words is "twenty-one trillion, eleven billion, one hundred eleven million, one hundred nineteen", and thus it is an aban number.