6636003121101 has 16 divisors (see below), whose sum is σ = 9199089885888. Its totient is φ = 4251680188800.

The previous prime is 6636003121093. The next prime is 6636003121103. The reversal of 6636003121101 is 1011213006366.

It is not a de Polignac number, because 6636003121101 - 2³ = 6636003121093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6636003121103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402612990 + ... + 402629471.

It is an arithmetic number, because the mean of its divisors is an integer number (574943117868).

Almost surely, 2^{6636003121101} is an apocalyptic number.

It is an amenable number.

6636003121101 is a deficient number, since it is larger than the sum of its proper divisors (2563086764787).

6636003121101 is a wasteful number, since it uses less digits than its factorization.

6636003121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805242572.

The product of its (nonzero) digits is 3888, while the sum is 30.

Adding to 6636003121101 its reverse (1011213006366), we get a palindrome (7647216127467).

The spelling of 6636003121101 in words is "six trillion, six hundred thirty-six billion, three million, one hundred twenty-one thousand, one hundred one".