2120921717224 has 16 divisors (see below), whose sum is σ = 3977390325600. Its totient is φ = 1060284297072.

The previous prime is 2120921717203. The next prime is 2120921717227. The reversal of 2120921717224 is 4227171290212.

It is not an unprimeable number, because it can be changed into a prime (2120921717227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22019134 + ... + 22115245.

It is an arithmetic number, because the mean of its divisors is an integer number (248586895350).

Almost surely, 2^{2120921717224} is an apocalyptic number.

It is an amenable number.

2120921717224 is a deficient number, since it is larger than the sum of its proper divisors (1856468608376).

2120921717224 is a wasteful number, since it uses less digits than its factorization.

2120921717224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44140392 (or 44140388 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 2120921717224 in words is "two trillion, one hundred twenty billion, nine hundred twenty-one million, seven hundred seventeen thousand, two hundred twenty-four".