22121001111003 has 4 divisors (see below), whose sum is σ = 29494668148008. Its totient is φ = 14747334074000.

The previous prime is 22121001110981. The next prime is 22121001111043. The reversal of 22121001111003 is 30011110012122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22121001111003 - 2³⁴ = 22103821241819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22121001111043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3686833518498 + ... + 3686833518503.

It is an arithmetic number, because the mean of its divisors is an integer number (7373667037002).

Almost surely, 2^{22121001111003} is an apocalyptic number.

22121001111003 is a deficient number, since it is larger than the sum of its proper divisors (7373667037005).

22121001111003 is an equidigital number, since it uses as much as digits as its factorization.

22121001111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373667037004.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 22121001111003 its reverse (30011110012122), we get a palindrome (52132111123125).

The spelling of 22121001111003 in words is "twenty-two trillion, one hundred twenty-one billion, one million, one hundred eleven thousand, three".