21003201324130 has 8 divisors (see below), whose sum is σ = 37805762383452. Its totient is φ = 8401280529648.

The previous prime is 21003201324037. The next prime is 21003201324143. The reversal of 21003201324130 is 3142310230012.

It can be written as a sum of positive squares in 2 ways, for example, as 18520430710369 + 2482770613761 = 4303537^2 + 1575681^2 .

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

It is a super-2 number, since 2×21003201324130² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050160066197 + ... + 1050160066216.

Almost surely, 2^{21003201324130} is an apocalyptic number.

21003201324130 is a deficient number, since it is larger than the sum of its proper divisors (16802561059322).

21003201324130 is a wasteful number, since it uses less digits than its factorization.

21003201324130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100320132420.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21003201324130 its reverse (3142310230012), we get a palindrome (24145511554142).

The spelling of 21003201324130 in words is "twenty-one trillion, three billion, two hundred one million, three hundred twenty-four thousand, one hundred thirty".