33301042121 has 2 divisors, whose sum is σ = 33301042122. Its totient is φ = 33301042120.

The previous prime is 33301042109. The next prime is 33301042139. The reversal of 33301042121 is 12124010333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22678854025 + 10622188096 = 150595^2 + 103064^2 .

It is a cyclic number.

It is not a de Polignac number, because 33301042121 - 2²² = 33296847817 is a prime.

It is a super-2 number, since 2×33301042121² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33301042093 and 33301042102.

It is not a weakly prime, because it can be changed into another prime (33301044121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16650521060 + 16650521061.

It is an arithmetic number, because the mean of its divisors is an integer number (16650521061).

Almost surely, 2^33301042121 is an apocalyptic number.

It is an amenable number.

33301042121 is a deficient number, since it is larger than the sum of its proper divisors (1).

33301042121 is an equidigital number, since it uses as much as digits as its factorization.

33301042121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 33301042121 its reverse (12124010333), we get a palindrome (45425052454).

The spelling of 33301042121 in words is "thirty-three billion, three hundred one million, forty-two thousand, one hundred twenty-one".