13021121010210 has 64 divisors (see below), whose sum is σ = 31583000784384. Its totient is φ = 3435398553600.

The previous prime is 13021121010199. The next prime is 13021121010229. The reversal of 13021121010210 is 1201012112031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13021121010210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8365255 + ... + 9798965.

It is an arithmetic number, because the mean of its divisors is an integer number (493484387256).

Almost surely, 2^{13021121010210} is an apocalyptic number.

13021121010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13021121010210 is an abundant number, since it is smaller than the sum of its proper divisors (18561879774174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13021121010210 is a wasteful number, since it uses less digits than its factorization.

13021121010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436939.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 13021121010210 its reverse (1201012112031), we get a palindrome (14222133122241).

The spelling of 13021121010210 in words is "thirteen trillion, twenty-one billion, one hundred twenty-one million, ten thousand, two hundred ten".