33223132221121 has 4 divisors (see below), whose sum is σ = 33230438830512. Its totient is φ = 33215825611732.

The previous prime is 33223132221119. The next prime is 33223132221151. The reversal of 33223132221121 is 12112223132233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33223132221121 - 2¹ = 33223132221119 is a prime.

It is a super-2 number, since 2×33223132221121² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33223132221121.

It is not an unprimeable number, because it can be changed into a prime (33223132221101) 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, 3653297875 + ... + 3653306968.

It is an arithmetic number, because the mean of its divisors is an integer number (8307609707628).

Almost surely, 2^{33223132221121} is an apocalyptic number.

It is an amenable number.

33223132221121 is a deficient number, since it is larger than the sum of its proper divisors (7306609391).

33223132221121 is an equidigital number, since it uses as much as digits as its factorization.

33223132221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7306609390.

The product of its digits is 5184, while the sum is 28.

Adding to 33223132221121 its reverse (12112223132233), we get a palindrome (45335355353354).

The spelling of 33223132221121 in words is "thirty-three trillion, two hundred twenty-three billion, one hundred thirty-two million, two hundred twenty-one thousand, one hundred twenty-one".