33121113202121 has 8 divisors (see below), whose sum is σ = 37858110705600. Its totient is φ = 28385468174448.

The previous prime is 33121113202103. The next prime is 33121113202169. The reversal of 33121113202121 is 12120231112133.

It is a happy number.

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

It is not a de Polignac number, because 33121113202121 - 2¹⁴ = 33121113185737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33121113222121) 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, 338066471 + ... + 338164428.

It is an arithmetic number, because the mean of its divisors is an integer number (4732263838200).

Almost surely, 2^{33121113202121} is an apocalyptic number.

It is an amenable number.

33121113202121 is a deficient number, since it is larger than the sum of its proper divisors (4736997503479).

33121113202121 is an equidigital number, since it uses as much as digits as its factorization.

33121113202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676237903.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 33121113202121 its reverse (12120231112133), we get a palindrome (45241344314254).

The spelling of 33121113202121 in words is "thirty-three trillion, one hundred twenty-one billion, one hundred thirteen million, two hundred two thousand, one hundred twenty-one".