21142433112001 has 8 divisors (see below), whose sum is σ = 21642138814464. Its totient is φ = 20644805188800.

The previous prime is 21142433111959. The next prime is 21142433112007. The reversal of 21142433112001 is 10021133424112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21142433112001 - 2¹¹ = 21142433109953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21142433112007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519424225 + ... + 519464926.

It is an arithmetic number, because the mean of its divisors is an integer number (2705267351808).

Almost surely, 2^{21142433112001} is an apocalyptic number.

It is an amenable number.

21142433112001 is a deficient number, since it is larger than the sum of its proper divisors (499705702463).

21142433112001 is a wasteful number, since it uses less digits than its factorization.

21142433112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038889631.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 21142433112001 its reverse (10021133424112), we get a palindrome (31163566536113).

The spelling of 21142433112001 in words is "twenty-one trillion, one hundred forty-two billion, four hundred thirty-three million, one hundred twelve thousand, one".