1111112011012 has 6 divisors (see below), whose sum is σ = 1944446019278. Its totient is φ = 555556005504.

The previous prime is 1111112010997. The next prime is 1111112011049. The reversal of 1111112011012 is 2101102111111.

It can be written as a sum of positive squares in only one way, i.e., 1086964715776 + 24147295236 = 1042576^2 + 155394^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1111112010983 and 1111112011001.

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, 138889001373 + ... + 138889001380.

Almost surely, 2^{1111112011012} is an apocalyptic number.

It is an amenable number.

1111112011012 is a deficient number, since it is larger than the sum of its proper divisors (833334008266).

1111112011012 is a wasteful number, since it uses less digits than its factorization.

1111112011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277778002757 (or 277778002755 counting only the distinct ones).

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

Adding to 1111112011012 its reverse (2101102111111), we get a palindrome (3212214122123).

The spelling of 1111112011012 in words is "one trillion, one hundred eleven billion, one hundred twelve million, eleven thousand, twelve".