22220121021233 has 4 divisors (see below), whose sum is σ = 22220215375680. Its totient is φ = 22220026666788.

The previous prime is 22220121021181. The next prime is 22220121021289. The reversal of 22220121021233 is 33212012102222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22220121021233 - 2²⁰ = 22220119972657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22220121021199 and 22220121021208.

It is not an unprimeable number, because it can be changed into a prime (22220121011233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46823093 + ... + 47295266.

It is an arithmetic number, because the mean of its divisors is an integer number (5555053843920).

Almost surely, 2^{22220121021233} is an apocalyptic number.

It is an amenable number.

22220121021233 is a deficient number, since it is larger than the sum of its proper divisors (94354447).

22220121021233 is an equidigital number, since it uses as much as digits as its factorization.

22220121021233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94354446.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22220121021233 its reverse (33212012102222), we get a palindrome (55432133123455).

The spelling of 22220121021233 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty-one million, twenty-one thousand, two hundred thirty-three".