221211233102 has 8 divisors (see below), whose sum is σ = 332430191112. Its totient is φ = 110401169400.

The previous prime is 221211233039. The next prime is 221211233119. The reversal of 221211233102 is 201332112122.

221211233102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 102222224 + ... + 102224387.

It is an arithmetic number, because the mean of its divisors is an integer number (41553773889).

Almost surely, 2^221211233102 is an apocalyptic number.

221211233102 is a deficient number, since it is larger than the sum of its proper divisors (111218958010).

221211233102 is a wasteful number, since it uses less digits than its factorization.

221211233102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204447154.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 221211233102 its reverse (201332112122), we get a palindrome (422543345224).

The spelling of 221211233102 in words is "two hundred twenty-one billion, two hundred eleven million, two hundred thirty-three thousand, one hundred two".