21010031130133 has 8 divisors (see below), whose sum is σ = 21457132283520. Its totient is φ = 20562933277440.

The previous prime is 21010031130131. The next prime is 21010031130199. The reversal of 21010031130133 is 33103113001012.

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 21010031130133 - 2¹ = 21010031130131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21010031130133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010031130131) 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 7 ways as a sum of consecutive naturals, for example, 15399378 + ... + 16708108.

It is an arithmetic number, because the mean of its divisors is an integer number (2682141535440).

Almost surely, 2^{21010031130133} is an apocalyptic number.

It is an amenable number.

21010031130133 is a deficient number, since it is larger than the sum of its proper divisors (447101153387).

21010031130133 is a wasteful number, since it uses less digits than its factorization.

21010031130133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650347.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 21010031130133 its reverse (33103113001012), we get a palindrome (54113144131145).

The spelling of 21010031130133 in words is "twenty-one trillion, ten billion, thirty-one million, one hundred thirty thousand, one hundred thirty-three".