11112010012111 has 4 divisors (see below), whose sum is σ = 11122463456272. Its totient is φ = 11101556567952.

The previous prime is 11112010012097. The next prime is 11112010012121. The reversal of 11112010012111 is 11121001021111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11112010012111 - 2¹¹ = 11112010010063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112010012091 and 11112010012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112010012121) 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, 5226720486 + ... + 5226722611.

It is an arithmetic number, because the mean of its divisors is an integer number (2780615864068).

Almost surely, 2^{11112010012111} is an apocalyptic number.

11112010012111 is a deficient number, since it is larger than the sum of its proper divisors (10453444161).

11112010012111 is a wasteful number, since it uses less digits than its factorization.

11112010012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10453444160.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11112010012111 its reverse (11121001021111), we get a palindrome (22233011033222).

The spelling of 11112010012111 in words is "eleven trillion, one hundred twelve billion, ten million, twelve thousand, one hundred eleven".