22121660244233 has 8 divisors (see below), whose sum is σ = 24134085219936. Its totient is φ = 20109462760800.

The previous prime is 22121660244197. The next prime is 22121660244247. The reversal of 22121660244233 is 33244206612122.

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 22121660244233 - 2¹⁰ = 22121660243209 is a prime.

It is a super-2 number, since 2×22121660244233² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121660240233) 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, 56669708 + ... + 57058733.

It is an arithmetic number, because the mean of its divisors is an integer number (3016760652492).

Almost surely, 2^{22121660244233} is an apocalyptic number.

It is an amenable number.

22121660244233 is a deficient number, since it is larger than the sum of its proper divisors (2012424975703).

22121660244233 is a wasteful number, since it uses less digits than its factorization.

22121660244233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113746135.

The product of its (nonzero) digits is 165888, while the sum is 38.

Adding to 22121660244233 its reverse (33244206612122), we get a palindrome (55365866856355).

The spelling of 22121660244233 in words is "twenty-two trillion, one hundred twenty-one billion, six hundred sixty million, two hundred forty-four thousand, two hundred thirty-three".