22112211221102 has 8 divisors (see below), whose sum is σ = 34610417563536. Its totient is φ = 10575405366592.

The previous prime is 22112211221083. The next prime is 22112211221143. The reversal of 22112211221102 is 20112211221122.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240350121923 + ... + 240350122014.

It is an arithmetic number, because the mean of its divisors is an integer number (4326302195442).

Almost surely, 2^{22112211221102} is an apocalyptic number.

22112211221102 is a deficient number, since it is larger than the sum of its proper divisors (12498206342434).

22112211221102 is a wasteful number, since it uses less digits than its factorization.

22112211221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480700243962.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22112211221102 its sum of digits (20), we get a palindrome (22112211221122).

Adding to 22112211221102 its reverse (20112211221122), we get a palindrome (42224422442224).

The spelling of 22112211221102 in words is "twenty-two trillion, one hundred twelve billion, two hundred eleven million, two hundred twenty-one thousand, one hundred two".