13301220021 has 8 divisors (see below), whose sum is σ = 18214283424. Its totient is φ = 8627818320.

The previous prime is 13301220001. The next prime is 13301220073. The reversal of 13301220021 is 12002210331.

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

It is not a de Polignac number, because 13301220021 - 2¹⁸ = 13300957877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13301220001) 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, 59915295 + ... + 59915516.

It is an arithmetic number, because the mean of its divisors is an integer number (2276785428).

Almost surely, 2^13301220021 is an apocalyptic number.

It is an amenable number.

13301220021 is a deficient number, since it is larger than the sum of its proper divisors (4913063403).

13301220021 is a wasteful number, since it uses less digits than its factorization.

13301220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119830851.

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

Adding to 13301220021 its reverse (12002210331), we get a palindrome (25303430352).

The spelling of 13301220021 in words is "thirteen billion, three hundred one million, two hundred twenty thousand, twenty-one".