13220103021 has 8 divisors (see below), whose sum is σ = 17656531200. Its totient is φ = 8798538432.

The previous prime is 13220103019. The next prime is 13220103031. The reversal of 13220103021 is 12030102231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13220103021 - 2¹ = 13220103019 is a prime.

It is a super-2 number, since 2×13220103021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220103031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3713821 + ... + 3717378.

It is an arithmetic number, because the mean of its divisors is an integer number (2207066400).

Almost surely, 2^13220103021 is an apocalyptic number.

It is an amenable number.

13220103021 is a deficient number, since it is larger than the sum of its proper divisors (4436428179).

13220103021 is an equidigital number, since it uses as much as digits as its factorization.

13220103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431795.

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

Adding to 13220103021 its reverse (12030102231), we get a palindrome (25250205252).

The spelling of 13220103021 in words is "thirteen billion, two hundred twenty million, one hundred three thousand, twenty-one".