13203113202021 has 16 divisors (see below), whose sum is σ = 17878755621888. Its totient is φ = 8665723315200.

The previous prime is 13203113201963. The next prime is 13203113202031. The reversal of 13203113202021 is 12020231130231.

It is not a de Polignac number, because 13203113202021 - 2⁷ = 13203113201893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13203113202031) 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, 118718040 + ... + 118829201.

It is an arithmetic number, because the mean of its divisors is an integer number (1117422226368).

Almost surely, 2^{13203113202021} is an apocalyptic number.

It is an amenable number.

13203113202021 is a deficient number, since it is larger than the sum of its proper divisors (4675642419867).

13203113202021 is a wasteful number, since it uses less digits than its factorization.

13203113202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237547532.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13203113202021 its reverse (12020231130231), we get a palindrome (25223344332252).

The spelling of 13203113202021 in words is "thirteen trillion, two hundred three billion, one hundred thirteen million, two hundred two thousand, twenty-one".