33233213223121 has 8 divisors (see below), whose sum is σ = 33347426308040. Its totient is φ = 33119092435968.

The previous prime is 33233213223107. The next prime is 33233213223163. The reversal of 33233213223121 is 12132231233233.

It can be written as a sum of positive squares in 4 ways, for example, as 2413172726721 + 30820040496400 = 1553439^2 + 5551580^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33233213223121 - 2⁹ = 33233213222609 is a prime.

It is a super-2 number, since 2×33233213223121² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33233213223191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22353036 + ... + 23793373.

It is an arithmetic number, because the mean of its divisors is an integer number (4168428288505).

Almost surely, 2^{33233213223121} is an apocalyptic number.

It is an amenable number.

33233213223121 is a deficient number, since it is larger than the sum of its proper divisors (114213084919).

33233213223121 is a wasteful number, since it uses less digits than its factorization.

33233213223121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46148883.

The product of its digits is 23328, while the sum is 31.

Adding to 33233213223121 its reverse (12132231233233), we get a palindrome (45365444456354).

The spelling of 33233213223121 in words is "thirty-three trillion, two hundred thirty-three billion, two hundred thirteen million, two hundred twenty-three thousand, one hundred twenty-one".