11121210120013 has 36 divisors (see below), whose sum is σ = 13746167259840. Its totient is φ = 8969454302592.

The previous prime is 11121210119933. The next prime is 11121210120029. The reversal of 11121210120013 is 31002101212111.

It is a happy number.

It is not a de Polignac number, because 11121210120013 - 2³³ = 11112620185421 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 (11121210120913) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 56815356 + ... + 57010762.

It is an arithmetic number, because the mean of its divisors is an integer number (381837979440).

Almost surely, 2^{11121210120013} is an apocalyptic number.

It is an amenable number.

11121210120013 is a deficient number, since it is larger than the sum of its proper divisors (2624957139827).

11121210120013 is a wasteful number, since it uses less digits than its factorization.

11121210120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199474 (or 199450 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11121210120013 its reverse (31002101212111), we get a palindrome (42123311332124).

The spelling of 11121210120013 in words is "eleven trillion, one hundred twenty-one billion, two hundred ten million, one hundred twenty thousand, thirteen".