221000120202 has 32 divisors (see below), whose sum is σ = 451392056640. Its totient is φ = 72117795200.

The previous prime is 221000120189. The next prime is 221000120239. The reversal of 221000120202 is 202021000122.

221000120202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1994868 + ... + 2102735.

It is an arithmetic number, because the mean of its divisors is an integer number (14106001770).

Almost surely, 2^221000120202 is an apocalyptic number.

221000120202 is an abundant number, since it is smaller than the sum of its proper divisors (230391936438).

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

221000120202 is a wasteful number, since it uses less digits than its factorization.

221000120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097798.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 221000120202 its reverse (202021000122), we get a palindrome (423021120324).

The spelling of 221000120202 in words is "two hundred twenty-one billion, one hundred twenty thousand, two hundred two".