21343133001 has 8 divisors (see below), whose sum is σ = 28459685344. Its totient is φ = 14227668000.

The previous prime is 21343132981. The next prime is 21343133057. The reversal of 21343133001 is 10033134312.

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

It is not a de Polignac number, because 21343133001 - 2¹¹ = 21343130953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21343133081) 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 7 ways as a sum of consecutive naturals, for example, 224875 + ... + 305376.

It is an arithmetic number, because the mean of its divisors is an integer number (3557460668).

Almost surely, 2^21343133001 is an apocalyptic number.

It is an amenable number.

21343133001 is a deficient number, since it is larger than the sum of its proper divisors (7116552343).

21343133001 is a wasteful number, since it uses less digits than its factorization.

21343133001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543671.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21343133001 its reverse (10033134312), we get a palindrome (31376267313).

The spelling of 21343133001 in words is "twenty-one billion, three hundred forty-three million, one hundred thirty-three thousand, one".