221000201010984 has 64 divisors (see below), whose sum is σ = 553370769705600. Its totient is φ = 73550772349184.

The previous prime is 221000201010971. The next prime is 221000201011001. The reversal of 221000201010984 is 489010102000122.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45300862 + ... + 49941650.

It is an arithmetic number, because the mean of its divisors is an integer number (8646418276650).

Almost surely, 2^{221000201010984} is an apocalyptic number.

221000201010984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

221000201010984 is an abundant number, since it is smaller than the sum of its proper divisors (332370568694616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221000201010984 is a wasteful number, since it uses less digits than its factorization.

221000201010984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643922 (or 4643918 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 221000201010984 in words is "two hundred twenty-one trillion, two hundred one million, ten thousand, nine hundred eighty-four".