22108222280121 has 8 divisors (see below), whose sum is σ = 29485526220480. Its totient is φ = 14734866596592.

The previous prime is 22108222280069. The next prime is 22108222280147. The reversal of 22108222280121 is 12108222280122.

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

It is not a de Polignac number, because 22108222280121 - 2¹⁰ = 22108222279097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22108222280171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987051141 + ... + 987073538.

It is an arithmetic number, because the mean of its divisors is an integer number (3685690777560).

Almost surely, 2^{22108222280121} is an apocalyptic number.

It is an amenable number.

22108222280121 is a deficient number, since it is larger than the sum of its proper divisors (7377303940359).

22108222280121 is a wasteful number, since it uses less digits than its factorization.

22108222280121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974128415.

The product of its (nonzero) digits is 8192, while the sum is 33.

Subtracting from 22108222280121 its reverse (12108222280122), we obtain a palindrome (9999999999999).

The spelling of 22108222280121 in words is "twenty-two trillion, one hundred eight billion, two hundred twenty-two million, two hundred eighty thousand, one hundred twenty-one".