22121242014021 has 8 divisors (see below), whose sum is σ = 29601469459104. Its totient is φ = 14694254622480.

The previous prime is 22121242014007. The next prime is 22121242014031. The reversal of 22121242014021 is 12041024212122.

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

It is not a de Polignac number, because 22121242014021 - 2¹⁰ = 22121242012997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22121242013982 and 22121242014000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121242014031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13310012415 + ... + 13310014076.

It is an arithmetic number, because the mean of its divisors is an integer number (3700183682388).

Almost surely, 2^{22121242014021} is an apocalyptic number.

It is an amenable number.

22121242014021 is a deficient number, since it is larger than the sum of its proper divisors (7480227445083).

22121242014021 is a wasteful number, since it uses less digits than its factorization.

22121242014021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26620026771.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 22121242014021 its reverse (12041024212122), we get a palindrome (34162266226143).

The spelling of 22121242014021 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred forty-two million, fourteen thousand, twenty-one".