221120977885312 has 64 divisors (see below), whose sum is σ = 442119857860800. Its totient is φ = 110158147943424.

The previous prime is 221120977885289. The next prime is 221120977885351. The reversal of 221120977885312 is 213588779021122.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 46080573 + ... + 50652355.

It is an arithmetic number, because the mean of its divisors is an integer number (6908122779075).

Almost surely, 2^{221120977885312} is an apocalyptic number.

It is an amenable number.

221120977885312 is a deficient number, since it is larger than the sum of its proper divisors (220998879975488).

221120977885312 is an equidigital number, since it uses as much as digits as its factorization.

221120977885312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4573173 (or 4573161 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 58.

The spelling of 221120977885312 in words is "two hundred twenty-one trillion, one hundred twenty billion, nine hundred seventy-seven million, eight hundred eighty-five thousand, three hundred twelve".