11111110010012 has 24 divisors (see below), whose sum is σ = 19742275929600. Its totient is φ = 5470523760240.

The previous prime is 11111110009921. The next prime is 11111110010051. The reversal of 11111110010012 is 21001001111111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11111110009975 and 11111110010002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7306262 + ... + 8695037.

It is an arithmetic number, because the mean of its divisors is an integer number (822594830400).

Almost surely, 2^{11111110010012} is an apocalyptic number.

It is an amenable number.

11111110010012 is a deficient number, since it is larger than the sum of its proper divisors (8631165919588).

11111110010012 is a wasteful number, since it uses less digits than its factorization.

11111110010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16003961 (or 16003959 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11111110010012 its reverse (21001001111111), we get a palindrome (32112111121123).

The spelling of 11111110010012 in words is "eleven trillion, one hundred eleven billion, one hundred ten million, ten thousand, twelve".