1011100120112 has 20 divisors (see below), whose sum is σ = 1959085652160. Its totient is φ = 505529629248.

The previous prime is 1011100120091. The next prime is 1011100120127. The reversal of 1011100120112 is 2110210011101.

It is a junction number, because it is equal to n+sod(n) for n = 1011100120093 and 1011100120102.

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 3 ways as a sum of consecutive naturals, for example, 864608 + ... + 1664255.

It is an arithmetic number, because the mean of its divisors is an integer number (97954282608).

Almost surely, 2^{1011100120112} is an apocalyptic number.

It is an amenable number.

1011100120112 is a deficient number, since it is larger than the sum of its proper divisors (947985532048).

1011100120112 is a wasteful number, since it uses less digits than its factorization.

1011100120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553860 (or 2553854 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1011100120112 its reverse (2110210011101), we get a palindrome (3121310131213).

The spelling of 1011100120112 in words is "one trillion, eleven billion, one hundred million, one hundred twenty thousand, one hundred twelve".