21202102003313 has 16 divisors (see below), whose sum is σ = 26695510208640. Its totient is φ = 16357543008000.

The previous prime is 21202102003283. The next prime is 21202102003351. The reversal of 21202102003313 is 31330020120212.

It is a cyclic number.

It is not a de Polignac number, because 21202102003313 - 2⁸ = 21202102003057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21202102003363) 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, 1363120808 + ... + 1363136361.

It is an arithmetic number, because the mean of its divisors is an integer number (1668469388040).

Almost surely, 2^{21202102003313} is an apocalyptic number.

It is an amenable number.

21202102003313 is a deficient number, since it is larger than the sum of its proper divisors (5493408205327).

21202102003313 is a wasteful number, since it uses less digits than its factorization.

21202102003313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726257288.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21202102003313 its reverse (31330020120212), we get a palindrome (52532122123525).

The spelling of 21202102003313 in words is "twenty-one trillion, two hundred two billion, one hundred two million, three thousand, three hundred thirteen".