221201022002 has 16 divisors (see below), whose sum is σ = 339531255360. Its totient is φ = 108024140112.

The previous prime is 221201021989. The next prime is 221201022067. The reversal of 221201022002 is 200220102122.

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, 4111508 + ... + 4164960.

It is an arithmetic number, because the mean of its divisors is an integer number (21220703460).

Almost surely, 2^221201022002 is an apocalyptic number.

221201022002 is a deficient number, since it is larger than the sum of its proper divisors (118330233358).

221201022002 is a wasteful number, since it uses less digits than its factorization.

221201022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101617.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 221201022002 its reverse (200220102122), we get a palindrome (421421124124).

The spelling of 221201022002 in words is "two hundred twenty-one billion, two hundred one million, twenty-two thousand, two".