22100111101321 has 4 divisors (see below), whose sum is σ = 24109212110544. Its totient is φ = 20091010092100.

The previous prime is 22100111101283. The next prime is 22100111101403. The reversal of 22100111101321 is 12310111100122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22100111101321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22100111101295 and 22100111101304.

It is not an unprimeable number, because it can be changed into a prime (22100111101421) 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 3 ways as a sum of consecutive naturals, for example, 1004550504595 + ... + 1004550504616.

It is an arithmetic number, because the mean of its divisors is an integer number (6027303027636).

Almost surely, 2^{22100111101321} is an apocalyptic number.

It is an amenable number.

22100111101321 is a deficient number, since it is larger than the sum of its proper divisors (2009101009223).

22100111101321 is a wasteful number, since it uses less digits than its factorization.

22100111101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009101009222.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 22100111101321 its reverse (12310111100122), we get a palindrome (34410222201443).

The spelling of 22100111101321 in words is "twenty-two trillion, one hundred billion, one hundred eleven million, one hundred one thousand, three hundred twenty-one".