33221213230121 has 16 divisors (see below), whose sum is σ = 37991397477120. Its totient is φ = 28457108447040.

The previous prime is 33221213230099. The next prime is 33221213230123. The reversal of 33221213230121 is 12103231212233.

It is not a de Polignac number, because 33221213230121 - 2¹⁰ = 33221213229097 is a prime.

It is a super-2 number, since 2×33221213230121² (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 (33221213230123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76156451 + ... + 76591431.

It is an arithmetic number, because the mean of its divisors is an integer number (2374462342320).

Almost surely, 2^{33221213230121} is an apocalyptic number.

It is an amenable number.

33221213230121 is a deficient number, since it is larger than the sum of its proper divisors (4770184246999).

33221213230121 is a wasteful number, since it uses less digits than its factorization.

33221213230121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441944.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 33221213230121 its reverse (12103231212233), we get a palindrome (45324444442354).

The spelling of 33221213230121 in words is "thirty-three trillion, two hundred twenty-one billion, two hundred thirteen million, two hundred thirty thousand, one hundred twenty-one".