2120223121867 has 2 divisors, whose sum is σ = 2120223121868. Its totient is φ = 2120223121866.

The previous prime is 2120223121813. The next prime is 2120223121921. The reversal of 2120223121867 is 7681213220212.

It is a balanced prime because it is at equal distance from previous prime (2120223121813) and next prime (2120223121921).

It is a cyclic number.

It is not a de Polignac number, because 2120223121867 - 2⁷ = 2120223121739 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120223161867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060111560933 + 1060111560934.

It is an arithmetic number, because the mean of its divisors is an integer number (1060111560934).

Almost surely, 2^{2120223121867} is an apocalyptic number.

2120223121867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120223121867 is an equidigital number, since it uses as much as digits as its factorization.

2120223121867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 2120223121867 in words is "two trillion, one hundred twenty billion, two hundred twenty-three million, one hundred twenty-one thousand, eight hundred sixty-seven".