2233320220121 has 4 divisors (see below), whose sum is σ = 2287791445044. Its totient is φ = 2178848995200.

The previous prime is 2233320220111. The next prime is 2233320220141. The reversal of 2233320220121 is 1210220233322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1306357561600 + 926962658521 = 1142960^2 + 962789^2 .

It is a cyclic number.

It is not a de Polignac number, because 2233320220121 - 2³⁴ = 2216140350937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2233320220111) 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, 27235612400 + ... + 27235612481.

It is an arithmetic number, because the mean of its divisors is an integer number (571947861261).

Almost surely, 2^{2233320220121} is an apocalyptic number.

It is an amenable number.

2233320220121 is a deficient number, since it is larger than the sum of its proper divisors (54471224923).

2233320220121 is an equidigital number, since it uses as much as digits as its factorization.

2233320220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54471224922.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2233320220121 its reverse (1210220233322), we get a palindrome (3443540453443).

The spelling of 2233320220121 in words is "two trillion, two hundred thirty-three billion, three hundred twenty million, two hundred twenty thousand, one hundred twenty-one".