22100022221012 has 12 divisors (see below), whose sum is σ = 39141003211296. Its totient is φ = 10916878446360.

The previous prime is 22100022221009. The next prime is 22100022221021. The reversal of 22100022221012 is 21012222000122.

It is a happy number.

22100022221012 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33283165664 + ... + 33283166327.

It is an arithmetic number, because the mean of its divisors is an integer number (3261750267608).

Almost surely, 2^{22100022221012} is an apocalyptic number.

It is an amenable number.

22100022221012 is a deficient number, since it is larger than the sum of its proper divisors (17040980990284).

22100022221012 is a wasteful number, since it uses less digits than its factorization.

22100022221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66566332078 (or 66566332076 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22100022221012 its reverse (21012222000122), we get a palindrome (43112244221134).

The spelling of 22100022221012 in words is "twenty-two trillion, one hundred billion, twenty-two million, two hundred twenty-one thousand, twelve".