211211200011967 has 2 divisors, whose sum is σ = 211211200011968. Its totient is φ = 211211200011966.

The previous prime is 211211200011871. The next prime is 211211200012013. The reversal of 211211200011967 is 769110002112112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211211200011967 is a prime.

It is a super-2 number, since 2×211211200011967² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211211200011067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605600005983 + 105605600005984.

It is an arithmetic number, because the mean of its divisors is an integer number (105605600005984).

Almost surely, 2^{211211200011967} is an apocalyptic number.

211211200011967 is a deficient number, since it is larger than the sum of its proper divisors (1).

211211200011967 is an equidigital number, since it uses as much as digits as its factorization.

211211200011967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 34.

The spelling of 211211200011967 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred million, eleven thousand, nine hundred sixty-seven".