2121222000067 has 2 divisors, whose sum is σ = 2121222000068. Its totient is φ = 2121222000066.

The previous prime is 2121221999933. The next prime is 2121222000083. The reversal of 2121222000067 is 7600002221212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2121222000067 - 2²⁷ = 2121087782339 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121222003067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060611000033 + 1060611000034.

It is an arithmetic number, because the mean of its divisors is an integer number (1060611000034).

Almost surely, 2^{2121222000067} is an apocalyptic number.

2121222000067 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121222000067 is an equidigital number, since it uses as much as digits as its factorization.

2121222000067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 2121222000067 its reverse (7600002221212), we get a palindrome (9721224221279).

The spelling of 2121222000067 in words is "two trillion, one hundred twenty-one billion, two hundred twenty-two million, sixty-seven", and thus it is an aban number.