2121233305067 has 2 divisors, whose sum is σ = 2121233305068. Its totient is φ = 2121233305066.

The previous prime is 2121233305039. The next prime is 2121233305193. The reversal of 2121233305067 is 7605033321212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121233305067 - 2⁸ = 2121233304811 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121233305007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060616652533 + 1060616652534.

It is an arithmetic number, because the mean of its divisors is an integer number (1060616652534).

Almost surely, 2^{2121233305067} is an apocalyptic number.

2121233305067 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121233305067 is an equidigital number, since it uses as much as digits as its factorization.

2121233305067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 35.

Adding to 2121233305067 its reverse (7605033321212), we get a palindrome (9726266626279).

The spelling of 2121233305067 in words is "two trillion, one hundred twenty-one billion, two hundred thirty-three million, three hundred five thousand, sixty-seven".