221230332102 has 16 divisors (see below), whose sum is σ = 476496100080. Its totient is φ = 68070871392.

The previous prime is 221230332073. The next prime is 221230332107. The reversal of 221230332102 is 201233032122.

It is a happy number.

221230332102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221230332102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221230332107) by changing a digit.

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, 1418143077 + ... + 1418143232.

It is an arithmetic number, because the mean of its divisors is an integer number (29781006255).

Almost surely, 2^221230332102 is an apocalyptic number.

221230332102 is an abundant number, since it is smaller than the sum of its proper divisors (255265767978).

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

221230332102 is a wasteful number, since it uses less digits than its factorization.

221230332102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836286327.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 221230332102 its reverse (201233032122), we get a palindrome (422463364224).

The spelling of 221230332102 in words is "two hundred twenty-one billion, two hundred thirty million, three hundred thirty-two thousand, one hundred two".