4243233002121 has 12 divisors (see below), whose sum is σ = 6129656930800. Its totient is φ = 2828571573240.

The previous prime is 4243233002101. The next prime is 4243233002143. The reversal of 4243233002121 is 1212003323424.

4243233002121 is a `hidden beast` number, since 4 + 24 + 323 + 300 + 2 + 12 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-4243233002121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4243233002101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20761675 + ... + 20965056.

Almost surely, 2^{4243233002121} is an apocalyptic number.

It is an amenable number.

4243233002121 is a deficient number, since it is larger than the sum of its proper divisors (1886423928679).

4243233002121 is a wasteful number, since it uses less digits than its factorization.

4243233002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41738036 (or 41738033 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 4243233002121 its reverse (1212003323424), we get a palindrome (5455236325545).

The spelling of 4243233002121 in words is "four trillion, two hundred forty-three billion, two hundred thirty-three million, two thousand, one hundred twenty-one".