222133111021 has 4 divisors (see below), whose sum is σ = 229792873500. Its totient is φ = 214473348544.

The previous prime is 222133111003. The next prime is 222133111061. The reversal of 222133111021 is 120111331222.

222133111021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120111331222 = 2 ⋅60055665611.

It can be written as a sum of positive squares in 2 ways, for example, as 100670405796 + 121462705225 = 317286^2 + 348515^2 .

It is a cyclic number.

It is not a de Polignac number, because 222133111021 - 2³⁷ = 84694157549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222133111021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222133111001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3829881196 + ... + 3829881253.

It is an arithmetic number, because the mean of its divisors is an integer number (57448218375).

Almost surely, 2^222133111021 is an apocalyptic number.

It is an amenable number.

222133111021 is a deficient number, since it is larger than the sum of its proper divisors (7659762479).

222133111021 is an equidigital number, since it uses as much as digits as its factorization.

222133111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659762478.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 222133111021 its reverse (120111331222), we get a palindrome (342244442243).

The spelling of 222133111021 in words is "two hundred twenty-two billion, one hundred thirty-three million, one hundred eleven thousand, twenty-one".