22121333210233 has 8 divisors (see below), whose sum is σ = 22127802094152. Its totient is φ = 22114865246976.

The previous prime is 22121333210219. The next prime is 22121333210267. The reversal of 22121333210233 is 33201233312122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6986019899664 + 15135313310569 = 2643108^2 + 3890413^2 .

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 22121333210233 - 2⁴¹ = 19922309954681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121333210033) 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, 49383441 + ... + 49829377.

It is an arithmetic number, because the mean of its divisors is an integer number (2765975261769).

Almost surely, 2^{22121333210233} is an apocalyptic number.

It is an amenable number.

22121333210233 is a deficient number, since it is larger than the sum of its proper divisors (6468883919).

22121333210233 is an equidigital number, since it uses as much as digits as its factorization.

22121333210233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460331.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 22121333210233 its reverse (33201233312122), we get a palindrome (55322566522355).

The spelling of 22121333210233 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred thirty-three million, two hundred ten thousand, two hundred thirty-three".