1111010111012 has 6 divisors (see below), whose sum is σ = 1944267694278. Its totient is φ = 555505055504.

The previous prime is 1111010110937. The next prime is 1111010111039. The reversal of 1111010111012 is 2101110101111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1044169247716 + 66840863296 = 1021846^2 + 258536^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1111010110984 and 1111010111002.

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 as a sum of consecutive naturals, namely, 138876263873 + ... + 138876263880.

It is an arithmetic number, because the mean of its divisors is an integer number (324044615713).

Almost surely, 2^{1111010111012} is an apocalyptic number.

It is an amenable number.

1111010111012 is a deficient number, since it is larger than the sum of its proper divisors (833257583266).

1111010111012 is a wasteful number, since it uses less digits than its factorization.

1111010111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277752527757 (or 277752527755 counting only the distinct ones).

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

Adding to 1111010111012 its reverse (2101110101111), we get a palindrome (3212120212123).

Subtracting 1111010111012 from its reverse (2101110101111), we obtain a palindrome (990099990099).

The spelling of 1111010111012 in words is "one trillion, one hundred eleven billion, ten million, one hundred eleven thousand, twelve".