21010310232133 has 8 divisors (see below), whose sum is σ = 21368478412800. Its totient is φ = 20652210759168.

The previous prime is 21010310232127. The next prime is 21010310232151. The reversal of 21010310232133 is 33123201301012.

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 21010310232133 - 2⁹ = 21010310231621 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 (21010310236133) 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, 16559941 + ... + 17783482.

It is an arithmetic number, because the mean of its divisors is an integer number (2671059801600).

Almost surely, 2^{21010310232133} is an apocalyptic number.

It is an amenable number.

21010310232133 is a deficient number, since it is larger than the sum of its proper divisors (358168180667).

21010310232133 is a wasteful number, since it uses less digits than its factorization.

21010310232133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34353851.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21010310232133 its reverse (33123201301012), we get a palindrome (54133511533145).

The spelling of 21010310232133 in words is "twenty-one trillion, ten billion, three hundred ten million, two hundred thirty-two thousand, one hundred thirty-three".