22120112221102 has 32 divisors (see below), whose sum is σ = 38845618366464. Its totient is φ = 9248698065600.

The previous prime is 22120112221087. The next prime is 22120112221157. The reversal of 22120112221102 is 20112221102122.

It is a self number, because there is not a number n which added to its sum of digits gives 22120112221102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48488923 + ... + 48942985.

It is an arithmetic number, because the mean of its divisors is an integer number (1213925573952).

Almost surely, 2^{22120112221102} is an apocalyptic number.

22120112221102 is a deficient number, since it is larger than the sum of its proper divisors (16725506145362).

22120112221102 is a wasteful number, since it uses less digits than its factorization.

22120112221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538984.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22120112221102 its reverse (20112221102122), we get a palindrome (42232333323224).

The spelling of 22120112221102 in words is "twenty-two trillion, one hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, one hundred two".