33331401121 has 2 divisors, whose sum is σ = 33331401122. Its totient is φ = 33331401120.

The previous prime is 33331401043. The next prime is 33331401137. The reversal of 33331401121 is 12110413333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31528974096 + 1802427025 = 177564^2 + 42455^2 .

It is an emirp because it is prime and its reverse (12110413333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33331401121 - 2²⁵ = 33297846689 is a prime.

It is a super-2 number, since 2×33331401121² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33331401092 and 33331401101.

It is not a weakly prime, because it can be changed into another prime (33331401161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16665700560 + 16665700561.

It is an arithmetic number, because the mean of its divisors is an integer number (16665700561).

Almost surely, 2^33331401121 is an apocalyptic number.

It is an amenable number.

33331401121 is a deficient number, since it is larger than the sum of its proper divisors (1).

33331401121 is an equidigital number, since it uses as much as digits as its factorization.

33331401121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 33331401121 its reverse (12110413333), we get a palindrome (45441814454).

The spelling of 33331401121 in words is "thirty-three billion, three hundred thirty-one million, four hundred one thousand, one hundred twenty-one".