13343021121111 has 32 divisors (see below), whose sum is σ = 19783369310976. Its totient is φ = 7931784960000.

The previous prime is 13343021121109. The next prime is 13343021121167. The reversal of 13343021121111 is 11112112034331.

It is not a de Polignac number, because 13343021121111 - 2¹ = 13343021121109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13343021121011) 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, 18350410 + ... + 19063671.

It is an arithmetic number, because the mean of its divisors is an integer number (618230290968).

Almost surely, 2^{13343021121111} is an apocalyptic number.

13343021121111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13343021121111 is a deficient number, since it is larger than the sum of its proper divisors (6440348189865).

13343021121111 is a wasteful number, since it uses less digits than its factorization.

13343021121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37414303.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 13343021121111 its reverse (11112112034331), we get a palindrome (24455133155442).

The spelling of 13343021121111 in words is "thirteen trillion, three hundred forty-three billion, twenty-one million, one hundred twenty-one thousand, one hundred eleven".