11211210000019 has 2 divisors, whose sum is σ = 11211210000020. Its totient is φ = 11211210000018.

The previous prime is 11211209999963. The next prime is 11211210000071. The reversal of 11211210000019 is 91000001211211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211210000019 is a prime.

It is a super-2 number, since 2×11211210000019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11211209999960 and 11211210000005.

It is not a weakly prime, because it can be changed into another prime (11211210004019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605605000009 + 5605605000010.

It is an arithmetic number, because the mean of its divisors is an integer number (5605605000010).

Almost surely, 2^{11211210000019} is an apocalyptic number.

11211210000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211210000019 is an equidigital number, since it uses as much as digits as its factorization.

11211210000019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 11211210000019 in words is "eleven trillion, two hundred eleven billion, two hundred ten million, nineteen", and thus it is an aban number.