22113320021 has 8 divisors (see below), whose sum is σ = 23865345504. Its totient is φ = 20368580400.

The previous prime is 22113319999. The next prime is 22113320071. The reversal of 22113320021 is 12002331122.

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 22113320021 - 2⁶ = 22113319957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113320071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1815155 + ... + 1827296.

It is an arithmetic number, because the mean of its divisors is an integer number (2983168188).

Almost surely, 2^22113320021 is an apocalyptic number.

It is an amenable number.

22113320021 is a deficient number, since it is larger than the sum of its proper divisors (1752025483).

22113320021 is a wasteful number, since it uses less digits than its factorization.

22113320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642931.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22113320021 its reverse (12002331122), we get a palindrome (34115651143).

The spelling of 22113320021 in words is "twenty-two billion, one hundred thirteen million, three hundred twenty thousand, twenty-one".