11111020202013 has 8 divisors (see below), whose sum is σ = 14853374266368. Its totient is φ = 7388006469504.

The previous prime is 11111020201997. The next prime is 11111020202041. The reversal of 11111020202013 is 31020202011111.

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

It is not a de Polignac number, because 11111020202013 - 2⁴ = 11111020201997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11111020201983 and 11111020202001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111020204013) 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, 4835081620 + ... + 4835083917.

It is an arithmetic number, because the mean of its divisors is an integer number (1856671783296).

Almost surely, 2^{11111020202013} is an apocalyptic number.

It is an amenable number.

11111020202013 is a deficient number, since it is larger than the sum of its proper divisors (3742354064355).

11111020202013 is an equidigital number, since it uses as much as digits as its factorization.

11111020202013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9670165923.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11111020202013 its reverse (31020202011111), we get a palindrome (42131222213124).

The spelling of 11111020202013 in words is "eleven trillion, one hundred eleven billion, twenty million, two hundred two thousand, thirteen".