13021120203 has 48 divisors (see below), whose sum is σ = 22695273216. Its totient is φ = 6569640000.

The previous prime is 13021120067. The next prime is 13021120219. The reversal of 13021120203 is 30202112031.

It is not a de Polignac number, because 13021120203 - 2¹⁶ = 13021054667 is a prime.

It is a super-2 number, since 2×13021120203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13021120003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104173 + ... + 192078.

It is an arithmetic number, because the mean of its divisors is an integer number (472818192).

Almost surely, 2^13021120203 is an apocalyptic number.

13021120203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13021120203 is a deficient number, since it is larger than the sum of its proper divisors (9674153013).

13021120203 is a wasteful number, since it uses less digits than its factorization.

13021120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296304 (or 296297 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13021120203 its reverse (30202112031), we get a palindrome (43223232234).

The spelling of 13021120203 in words is "thirteen billion, twenty-one million, one hundred twenty thousand, two hundred three".