33141121 has 4 divisors (see below), whose sum is σ = 35690452. Its totient is φ = 30591792.

The previous prime is 33141107. The next prime is 33141127. The reversal of 33141121 is 12114133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12114133 = 37 ⋅327409.

It can be written as a sum of positive squares in 2 ways, for example, as 14745600 + 18395521 = 3840^2 + 4289^2 .

It is a cyclic number.

It is not a de Polignac number, because 33141121 - 2⁷ = 33140993 is a prime.

It is a super-2 number, since 2×33141121² = 2196667802273282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33141095 and 33141104.

It is not an unprimeable number, because it can be changed into a prime (33141127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274646 + ... + 1274671.

It is an arithmetic number, because the mean of its divisors is an integer number (8922613).

Almost surely, 2^33141121 is an apocalyptic number.

It is an amenable number.

33141121 is a deficient number, since it is larger than the sum of its proper divisors (2549331).

33141121 is a wasteful number, since it uses less digits than its factorization.

33141121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549330.

The product of its digits is 72, while the sum is 16.

The square root of 33141121 is about 5756.8325492409. The cubic root of 33141121 is about 321.2100054678.

Adding to 33141121 its reverse (12114133), we get a palindrome (45255254).

The spelling of 33141121 in words is "thirty-three million, one hundred forty-one thousand, one hundred twenty-one".