2120671966927 has 2 divisors, whose sum is σ = 2120671966928. Its totient is φ = 2120671966926.

The previous prime is 2120671966891. The next prime is 2120671967021. The reversal of 2120671966927 is 7296691760212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120671966927 - 2²⁷ = 2120537749199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120671916927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060335983463 + 1060335983464.

It is an arithmetic number, because the mean of its divisors is an integer number (1060335983464).

Almost surely, 2^{2120671966927} is an apocalyptic number.

2120671966927 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120671966927 is an equidigital number, since it uses as much as digits as its factorization.

2120671966927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 58.

The spelling of 2120671966927 in words is "two trillion, one hundred twenty billion, six hundred seventy-one million, nine hundred sixty-six thousand, nine hundred twenty-seven".