22121120001 has 8 divisors (see below), whose sum is σ = 31229816544. Its totient is φ = 13879918400.

The previous prime is 22121119981. The next prime is 22121120023. The reversal of 22121120001 is 10002112122.

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 22121120001 - 2¹⁴ = 22121103617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22121120071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216873675 + ... + 216873776.

It is an arithmetic number, because the mean of its divisors is an integer number (3903727068).

Almost surely, 2^22121120001 is an apocalyptic number.

It is an amenable number.

22121120001 is a deficient number, since it is larger than the sum of its proper divisors (9108696543).

22121120001 is a wasteful number, since it uses less digits than its factorization.

22121120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433747471.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22121120001 its reverse (10002112122), we get a palindrome (32123232123).

The spelling of 22121120001 in words is "twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, one".