13321220021111 has 8 divisors (see below), whose sum is σ = 13374318315600. Its totient is φ = 13268148223680.

The previous prime is 13321220021107. The next prime is 13321220021141. The reversal of 13321220021111 is 11112002212331.

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

It is a cyclic number.

It is not a de Polignac number, because 13321220021111 - 2² = 13321220021107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321220021141) 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, 5616470 + ... + 7628051.

It is an arithmetic number, because the mean of its divisors is an integer number (1671789789450).

Almost surely, 2^{13321220021111} is an apocalyptic number.

13321220021111 is a deficient number, since it is larger than the sum of its proper divisors (53098294489).

13321220021111 is a wasteful number, since it uses less digits than its factorization.

13321220021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13248529.

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

Adding to 13321220021111 its reverse (11112002212331), we get a palindrome (24433222233442).

The spelling of 13321220021111 in words is "thirteen trillion, three hundred twenty-one billion, two hundred twenty million, twenty-one thousand, one hundred eleven".