33145414102021 has 4 divisors (see below), whose sum is σ = 35695061340652. Its totient is φ = 30595766863392.

The previous prime is 33145414102013. The next prime is 33145414102051. The reversal of 33145414102021 is 12020141454133.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10915028364100 + 22230385737921 = 3303790^2 + 4714911^2 .

It is a cyclic number.

It is not a de Polignac number, because 33145414102021 - 2³ = 33145414102013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33145414102051) 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 in 3 ways as a sum of consecutive naturals, for example, 1274823619296 + ... + 1274823619321.

It is an arithmetic number, because the mean of its divisors is an integer number (8923765335163).

Almost surely, 2^{33145414102021} is an apocalyptic number.

It is an amenable number.

33145414102021 is a deficient number, since it is larger than the sum of its proper divisors (2549647238631).

33145414102021 is a wasteful number, since it uses less digits than its factorization.

33145414102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549647238630.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 33145414102021 its reverse (12020141454133), we get a palindrome (45165555556154).

The spelling of 33145414102021 in words is "thirty-three trillion, one hundred forty-five billion, four hundred fourteen million, one hundred two thousand, twenty-one".