13321012111 has 8 divisors (see below), whose sum is σ = 14563817424. Its totient is φ = 12083507520.

The previous prime is 13321012091. The next prime is 13321012121. The reversal of 13321012111 is 11121012331.

It is a happy number.

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 13321012111 - 2⁷ = 13321011983 is a prime.

It is a super-2 number, since 2×13321012111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321012121) 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, 1319920 + ... + 1329973.

It is an arithmetic number, because the mean of its divisors is an integer number (1820477178).

Almost surely, 2^13321012111 is an apocalyptic number.

13321012111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13321012111 is a deficient number, since it is larger than the sum of its proper divisors (1242805313).

13321012111 is a wasteful number, since it uses less digits than its factorization.

13321012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650361.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13321012111 its reverse (11121012331), we get a palindrome (24442024442).

The spelling of 13321012111 in words is "thirteen billion, three hundred twenty-one million, twelve thousand, one hundred eleven".