21331331130001 has 8 divisors (see below), whose sum is σ = 21912424577064. Its totient is φ = 20750478261120.

The previous prime is 21331331129981. The next prime is 21331331130047. The reversal of 21331331130001 is 10003113313312.

It can be written as a sum of positive squares in 4 ways, for example, as 13457268612225 + 7874062517776 = 3668415^2 + 2806076^2 .

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 21331331130001 - 2¹³ = 21331331121809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21331331130301) 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, 59964790 + ... + 60319471.

It is an arithmetic number, because the mean of its divisors is an integer number (2739053072133).

Almost surely, 2^{21331331130001} is an apocalyptic number.

It is an amenable number.

21331331130001 is a deficient number, since it is larger than the sum of its proper divisors (581093447063).

21331331130001 is a wasteful number, since it uses less digits than its factorization.

21331331130001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120289091.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 21331331130001 its reverse (10003113313312), we get a palindrome (31334444443313).

It can be divided in two parts, 213313311 and 30001, that added together give a palindrome (213343312).

The spelling of 21331331130001 in words is "twenty-one trillion, three hundred thirty-one billion, three hundred thirty-one million, one hundred thirty thousand, one".