21142433112002 has 8 divisors (see below), whose sum is σ = 31713770608716. Its totient is φ = 10571176242432.

The previous prime is 21142433111959. The next prime is 21142433112007. The reversal of 21142433112002 is 20021133424112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15698466212641 + 5443966899361 = 3962129^2 + 2333231^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 19496903 + ... + 20552714.

Almost surely, 2^{21142433112002} is an apocalyptic number.

21142433112002 is a deficient number, since it is larger than the sum of its proper divisors (10571337496714).

21142433112002 is a wasteful number, since it uses less digits than its factorization.

21142433112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40313572.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 21142433112002 its reverse (20021133424112), we get a palindrome (41163566536114).

The spelling of 21142433112002 in words is "twenty-one trillion, one hundred forty-two billion, four hundred thirty-three million, one hundred twelve thousand, two".