2033323122221 has 6 divisors (see below), whose sum is σ = 2037507134670. Its totient is φ = 2029147684056.

The previous prime is 2033323122217. The next prime is 2033323122241. The reversal of 2033323122221 is 1222213233302.

It can be written as a sum of positive squares in only one way, i.e., 1566477528100 + 466845594121 = 1251590^2 + 683261^2 .

It is not a de Polignac number, because 2033323122221 - 2² = 2033323122217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2033323122241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4049486 + ... + 4523823.

It is an arithmetic number, because the mean of its divisors is an integer number (339584522445).

Almost surely, 2^{2033323122221} is an apocalyptic number.

It is an amenable number.

2033323122221 is a deficient number, since it is larger than the sum of its proper divisors (4184012449).

2033323122221 is an frugal number, since it uses more digits than its factorization.

2033323122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8574283 (or 8573796 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 2033323122221 its reverse (1222213233302), we get a palindrome (3255536355523).

The spelling of 2033323122221 in words is "two trillion, thirty-three billion, three hundred twenty-three million, one hundred twenty-two thousand, two hundred twenty-one".