33204109121 has 2 divisors, whose sum is σ = 33204109122. Its totient is φ = 33204109120.

The previous prime is 33204109117. The next prime is 33204109151. The reversal of 33204109121 is 12190140233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24636755521 + 8567353600 = 156961^2 + 92560^2 .

It is an emirp because it is prime and its reverse (12190140233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33204109121 - 2² = 33204109117 is a prime.

It is a super-2 number, since 2×33204109121² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33204109111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16602054560 + 16602054561.

It is an arithmetic number, because the mean of its divisors is an integer number (16602054561).

Almost surely, 2^33204109121 is an apocalyptic number.

It is an amenable number.

33204109121 is a deficient number, since it is larger than the sum of its proper divisors (1).

33204109121 is an equidigital number, since it uses as much as digits as its factorization.

33204109121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 33204109121 its reverse (12190140233), we get a palindrome (45394249354).

The spelling of 33204109121 in words is "thirty-three billion, two hundred four million, one hundred nine thousand, one hundred twenty-one".