22121221222133 has 8 divisors (see below), whose sum is σ = 24133478674080. Its totient is φ = 20109169993680.

The previous prime is 22121221222099. The next prime is 22121221222141. The reversal of 22121221222133 is 33122212212122.

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 22121221222133 - 2¹⁸ = 22121220959989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121221222183) 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, 51331538 + ... + 51760691.

It is an arithmetic number, because the mean of its divisors is an integer number (3016684834260).

Almost surely, 2^{22121221222133} is an apocalyptic number.

It is an amenable number.

22121221222133 is a deficient number, since it is larger than the sum of its proper divisors (2012257451947).

22121221222133 is a wasteful number, since it uses less digits than its factorization.

22121221222133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103111747.

The product of its digits is 2304, while the sum is 26.

Adding to 22121221222133 its reverse (33122212212122), we get a palindrome (55243433434255).

The spelling of 22121221222133 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred thirty-three".