221002201110 has 32 divisors (see below), whose sum is σ = 532110788352. Its totient is φ = 58744419680.

The previous prime is 221002201099. The next prime is 221002201129. The reversal of 221002201110 is 11102200122.

221002201110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 11834304 + ... + 11852963.

It is an arithmetic number, because the mean of its divisors is an integer number (16628462136).

Almost surely, 2^221002201110 is an apocalyptic number.

221002201110 is an abundant number, since it is smaller than the sum of its proper divisors (311108587242).

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

221002201110 is a wasteful number, since it uses less digits than its factorization.

221002201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23687588.

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

Adding to 221002201110 its reverse (11102200122), we get a palindrome (232104401232).

The spelling of 221002201110 in words is "two hundred twenty-one billion, two million, two hundred one thousand, one hundred ten".