13300221111221 has 16 divisors (see below), whose sum is σ = 14526123268608. Its totient is φ = 12077119924800.

The previous prime is 13300221111211. The next prime is 13300221111259. The reversal of 13300221111221 is 12211112200331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13300221111221 is a prime.

It is a super-2 number, since 2×13300221111221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13300221111193 and 13300221111202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13300221111211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121227836 + ... + 121337498.

It is an arithmetic number, because the mean of its divisors is an integer number (907882704288).

Almost surely, 2^{13300221111221} is an apocalyptic number.

13300221111221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13300221111221 is a deficient number, since it is larger than the sum of its proper divisors (1225902157387).

13300221111221 is a wasteful number, since it uses less digits than its factorization.

13300221111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122332.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 13300221111221 its reverse (12211112200331), we get a palindrome (25511333311552).

The spelling of 13300221111221 in words is "thirteen trillion, three hundred billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twenty-one".