111111202102013 has 4 divisors (see below), whose sum is σ = 112189951637088. Its totient is φ = 110032452566940.

The previous prime is 111111202102003. The next prime is 111111202102037. The reversal of 111111202102013 is 310201202111111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111111202102013 - 2¹⁰ = 111111202100989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111111202101982 and 111111202102000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111202102003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539374767383 + ... + 539374767588.

It is an arithmetic number, because the mean of its divisors is an integer number (28047487909272).

Almost surely, 2^{111111202102013} is an apocalyptic number.

It is an amenable number.

111111202102013 is a deficient number, since it is larger than the sum of its proper divisors (1078749535075).

111111202102013 is a wasteful number, since it uses less digits than its factorization.

111111202102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078749535074.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 111111202102013 its reverse (310201202111111), we get a palindrome (421312404213124).

The spelling of 111111202102013 in words is "one hundred eleven trillion, one hundred eleven billion, two hundred two million, one hundred two thousand, thirteen".