22221102102 has 32 divisors (see below), whose sum is σ = 46421275392. Its totient is φ = 7077838944.

The previous prime is 22221102077. The next prime is 22221102133. The reversal of 22221102102 is 20120112222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56833 + ... + 218339.

It is an arithmetic number, because the mean of its divisors is an integer number (1450664856).

Almost surely, 2^22221102102 is an apocalyptic number.

22221102102 is an abundant number, since it is smaller than the sum of its proper divisors (24200173290).

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

22221102102 is a wasteful number, since it uses less digits than its factorization.

22221102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162532.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22221102102 its reverse (20120112222), we get a palindrome (42341214324).

The spelling of 22221102102 in words is "twenty-two billion, two hundred twenty-one million, one hundred two thousand, one hundred two".