13313033020221 has 32 divisors (see below), whose sum is σ = 19556893863936. Its totient is φ = 7988310120000.

The previous prime is 13313033020219. The next prime is 13313033020223. The reversal of 13313033020221 is 12202033031331.

It is an interprime number because it is at equal distance from previous prime (13313033020219) and next prime (13313033020223).

It is not a de Polignac number, because 13313033020221 - 2¹ = 13313033020219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13313033020191 and 13313033020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313033020223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109631680 + ... + 109753046.

It is an arithmetic number, because the mean of its divisors is an integer number (611152933248).

Almost surely, 2^{13313033020221} is an apocalyptic number.

13313033020221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13313033020221 is a deficient number, since it is larger than the sum of its proper divisors (6243860843715).

13313033020221 is a wasteful number, since it uses less digits than its factorization.

13313033020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154393.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13313033020221 its reverse (12202033031331), we get a palindrome (25515066051552).

The spelling of 13313033020221 in words is "thirteen trillion, three hundred thirteen billion, thirty-three million, twenty thousand, two hundred twenty-one".