22112203021 has 8 divisors (see below), whose sum is σ = 23493538080. Its totient is φ = 20752621488.

The previous prime is 22112203007. The next prime is 22112203031. The reversal of 22112203021 is 12030221122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22112203021 - 2¹¹ = 22112200973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22112202986 and 22112203004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112203031) 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 in 7 ways as a sum of consecutive naturals, for example, 5436286 + ... + 5440351.

It is an arithmetic number, because the mean of its divisors is an integer number (2936692260).

Almost surely, 2^22112203021 is an apocalyptic number.

It is an amenable number.

22112203021 is a deficient number, since it is larger than the sum of its proper divisors (1381335059).

22112203021 is a wasteful number, since it uses less digits than its factorization.

22112203021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10876763.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22112203021 its reverse (12030221122), we get a palindrome (34142424143).

The spelling of 22112203021 in words is "twenty-two billion, one hundred twelve million, two hundred three thousand, twenty-one".