2033223011221 has 4 divisors (see below), whose sum is σ = 2036796338700. Its totient is φ = 2029649683744.

The previous prime is 2033223011177. The next prime is 2033223011233. The reversal of 2033223011221 is 1221103223302.

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 446706426321 + 1586516584900 = 668361^2 + 1259570^2 .

It is a cyclic number.

It is not a de Polignac number, because 2033223011221 - 2⁷ = 2033223011093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2033223011192 and 2033223011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2033223011021) 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, 1786662886 + ... + 1786664023.

It is an arithmetic number, because the mean of its divisors is an integer number (509199084675).

Almost surely, 2^{2033223011221} is an apocalyptic number.

It is an amenable number.

2033223011221 is a deficient number, since it is larger than the sum of its proper divisors (3573327479).

2033223011221 is an equidigital number, since it uses as much as digits as its factorization.

2033223011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573327478.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2033223011221 its reverse (1221103223302), we get a palindrome (3254326234523).

The spelling of 2033223011221 in words is "two trillion, thirty-three billion, two hundred twenty-three million, eleven thousand, two hundred twenty-one".