11422197021852 has 36 divisors (see below), whose sum is σ = 30392395586280. Its totient is φ = 3607009585632.

The previous prime is 11422197021847. The next prime is 11422197021889. The reversal of 11422197021852 is 25812079122411.

11422197021852 is a `hidden beast` number, since 1 + 1 + 422 + 1 + 9 + 7 + 0 + 218 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 11422197021798 and 11422197021807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8349558543 + ... + 8349559910.

It is an arithmetic number, because the mean of its divisors is an integer number (844233210730).

Almost surely, 2^{11422197021852} is an apocalyptic number.

11422197021852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11422197021852 is an abundant number, since it is smaller than the sum of its proper divisors (18970198564428).

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

11422197021852 is a wasteful number, since it uses less digits than its factorization.

11422197021852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16699118482 (or 16699118477 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 11422197021852 in words is "eleven trillion, four hundred twenty-two billion, one hundred ninety-seven million, twenty-one thousand, eight hundred fifty-two".