21132001333131 has 8 divisors (see below), whose sum is σ = 30343386529680. Its totient is φ = 13004308512672.

The previous prime is 21132001333087. The next prime is 21132001333153. The reversal of 21132001333131 is 13133310023112.

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

It is not a de Polignac number, because 21132001333131 - 2¹⁹ = 21132000808843 is a prime.

It is a super-2 number, since 2×21132001333131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21132001333171) 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, 270923093976 + ... + 270923094053.

It is an arithmetic number, because the mean of its divisors is an integer number (3792923316210).

Almost surely, 2^{21132001333131} is an apocalyptic number.

21132001333131 is a deficient number, since it is larger than the sum of its proper divisors (9211385196549).

21132001333131 is a wasteful number, since it uses less digits than its factorization.

21132001333131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541846188045.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 21132001333131 its reverse (13133310023112), we get a palindrome (34265311356243).

The spelling of 21132001333131 in words is "twenty-one trillion, one hundred thirty-two billion, one million, three hundred thirty-three thousand, one hundred thirty-one".