221133244102 has 16 divisors (see below), whose sum is σ = 349689870432. Its totient is φ = 104669072640.

The previous prime is 221133244093. The next prime is 221133244121. The reversal of 221133244102 is 201442331122.

221133244102 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 7 ways as a sum of consecutive naturals, for example, 24775149 + ... + 24784072.

It is an arithmetic number, because the mean of its divisors is an integer number (21855616902).

Almost surely, 2^221133244102 is an apocalyptic number.

221133244102 is a deficient number, since it is larger than the sum of its proper divisors (128556626330).

221133244102 is a wasteful number, since it uses less digits than its factorization.

221133244102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49559343.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 221133244102 its reverse (201442331122), we get a palindrome (422575575224).

The spelling of 221133244102 in words is "two hundred twenty-one billion, one hundred thirty-three million, two hundred forty-four thousand, one hundred two".