21000001033010 has 8 divisors (see below), whose sum is σ = 37800001859436. Its totient is φ = 8400000413200.

The previous prime is 21000001033009. The next prime is 21000001033049. The reversal of 21000001033010 is 1033010000012.

It can be written as a sum of positive squares in 2 ways, for example, as 19586192045641 + 1413808987369 = 4425629^2 + 1189037^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 21000001032982 and 21000001033000.

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, 1050000051641 + ... + 1050000051660.

Almost surely, 2^{21000001033010} is an apocalyptic number.

21000001033010 is a deficient number, since it is larger than the sum of its proper divisors (16800000826426).

21000001033010 is a wasteful number, since it uses less digits than its factorization.

21000001033010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100000103308.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 21000001033010 its reverse (1033010000012), we get a palindrome (22033011033022).

The spelling of 21000001033010 in words is "twenty-one trillion, one million, thirty-three thousand, ten".