21331000210130 has 16 divisors (see below), whose sum is σ = 41349323484504. Its totient is φ = 7876061616000.

The previous prime is 21331000210129. The next prime is 21331000210159. The reversal of 21331000210130 is 3101200013312.

It can be written as a sum of positive squares in 4 ways, for example, as 12041129021089 + 9289871189041 = 3470033^2 + 3047929^2 .

It is a super-2 number, since 2×21331000210130² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21331000210099 and 21331000210108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82042308371 + ... + 82042308630.

Almost surely, 2^{21331000210130} is an apocalyptic number.

21331000210130 is a deficient number, since it is larger than the sum of its proper divisors (20018323274374).

21331000210130 is a wasteful number, since it uses less digits than its factorization.

21331000210130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164084617021.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21331000210130 its reverse (3101200013312), we get a palindrome (24432200223442).

The spelling of 21331000210130 in words is "twenty-one trillion, three hundred thirty-one billion, two hundred ten thousand, one hundred thirty".