221200100011002 has 16 divisors (see below), whose sum is σ = 505600228596672. Its totient is φ = 63200028574560.

The previous prime is 221200100010991. The next prime is 221200100011003. The reversal of 221200100011002 is 200110001002122.

It is not an unprimeable number, because it can be changed into a prime (221200100011003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633334523899 + ... + 2633334523982.

It is an arithmetic number, because the mean of its divisors is an integer number (31600014287292).

Almost surely, 2^{221200100011002} is an apocalyptic number.

221200100011002 is an abundant number, since it is smaller than the sum of its proper divisors (284400128585670).

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

221200100011002 is a wasteful number, since it uses less digits than its factorization.

221200100011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5266669047893.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221200100011002 its reverse (200110001002122), we get a palindrome (421310101013124).

The spelling of 221200100011002 in words is "two hundred twenty-one trillion, two hundred billion, one hundred million, eleven thousand, two".