2167022242721 has 12 divisors (see below), whose sum is σ = 2558446002288. Its totient is φ = 1829724534792.

The previous prime is 2167022242691. The next prime is 2167022242741. The reversal of 2167022242721 is 1272422207612.

It is a happy number.

It is not a de Polignac number, because 2167022242721 - 2¹⁴ = 2167022226337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2167022242741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330033611 + ... + 330040176.

It is an arithmetic number, because the mean of its divisors is an integer number (213203833524).

Almost surely, 2^{2167022242721} is an apocalyptic number.

It is an amenable number.

2167022242721 is a deficient number, since it is larger than the sum of its proper divisors (391423759567).

2167022242721 is an equidigital number, since it uses as much as digits as its factorization.

2167022242721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660073868 (or 660073861 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 2167022242721 in words is "two trillion, one hundred sixty-seven billion, twenty-two million, two hundred forty-two thousand, seven hundred twenty-one".