33221200000231 has 4 divisors (see below), whose sum is σ = 33993786046792. Its totient is φ = 32448613953672.

The previous prime is 33221200000199. The next prime is 33221200000259. The reversal of 33221200000231 is 13200000212233.

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

It is a cyclic number.

It is not a de Polignac number, because 33221200000231 - 2⁵ = 33221200000199 is a prime.

It is a super-2 number, since 2×33221200000231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33221200000199 and 33221200000208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33221200000291) 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, 386293023216 + ... + 386293023301.

It is an arithmetic number, because the mean of its divisors is an integer number (8498446511698).

Almost surely, 2^{33221200000231} is an apocalyptic number.

33221200000231 is a deficient number, since it is larger than the sum of its proper divisors (772586046561).

33221200000231 is an equidigital number, since it uses as much as digits as its factorization.

33221200000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772586046560.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 33221200000231 its reverse (13200000212233), we get a palindrome (46421200212464).

The spelling of 33221200000231 in words is "thirty-three trillion, two hundred twenty-one billion, two hundred million, two hundred thirty-one", and thus it is an aban number.