22102221021112 has 8 divisors (see below), whose sum is σ = 41441664414600. Its totient is φ = 11051110510552.

The previous prime is 22102221021107. The next prime is 22102221021113. The reversal of 22102221021112 is 21112012220122.

22102221021112 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 22102221021112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102221021113) 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 as a sum of consecutive naturals, namely, 1381388813812 + ... + 1381388813827.

It is an arithmetic number, because the mean of its divisors is an integer number (5180208051825).

Almost surely, 2^{22102221021112} is an apocalyptic number.

It is an amenable number.

22102221021112 is a deficient number, since it is larger than the sum of its proper divisors (19339443393488).

22102221021112 is a wasteful number, since it uses less digits than its factorization.

22102221021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762777627645 (or 2762777627641 counting only the distinct ones).

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

Adding to 22102221021112 its reverse (21112012220122), we get a palindrome (43214233241234).

It can be divided in two parts, 221022 and 21021112, that multiplied together give a palindrome (4646128216464).

The spelling of 22102221021112 in words is "twenty-two trillion, one hundred two billion, two hundred twenty-one million, twenty-one thousand, one hundred twelve".