221220200982 has 16 divisors (see below), whose sum is σ = 482662256832. Its totient is φ = 67036424520.

The previous prime is 221220200977. The next prime is 221220201023. The reversal of 221220200982 is 289002022122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1675910548 + ... + 1675910679.

It is an arithmetic number, because the mean of its divisors is an integer number (30166391052).

Almost surely, 2^221220200982 is an apocalyptic number.

221220200982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221220200982 is an abundant number, since it is smaller than the sum of its proper divisors (261442055850).

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

221220200982 is a wasteful number, since it uses less digits than its factorization.

221220200982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351821243.

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 221220200982 in words is "two hundred twenty-one billion, two hundred twenty million, two hundred thousand, nine hundred eighty-two".