13421013111 has 24 divisors (see below), whose sum is σ = 21198562320. Its totient is φ = 8114601600.

The previous prime is 13421013101. The next prime is 13421013119. The reversal of 13421013111 is 11131012431.

It is a happy number.

13421013111 is a `hidden beast` number, since 1 + 342 + 10 + 1 + 311 + 1 = 666.

It is not a de Polignac number, because 13421013111 - 2²⁹ = 12884142199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421013119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119326 + ... + 202683.

It is an arithmetic number, because the mean of its divisors is an integer number (883273430).

Almost surely, 2^13421013111 is an apocalyptic number.

13421013111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13421013111 is a deficient number, since it is larger than the sum of its proper divisors (7777549209).

13421013111 is a wasteful number, since it uses less digits than its factorization.

13421013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322447 (or 322444 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 13421013111 its reverse (11131012431), we get a palindrome (24552025542).

The spelling of 13421013111 in words is "thirteen billion, four hundred twenty-one million, thirteen thousand, one hundred eleven".