1011100012 has 24 divisors (see below), whose sum is σ = 1906439472. Its totient is φ = 466440000.

The previous prime is 1011100009. The next prime is 1011100019. The reversal of 1011100012 is 2100011101.

It is a junction number, because it is equal to n+sod(n) for n = 1011099968 and 1011100004.

It is not an unprimeable number, because it can be changed into a prime (1011100019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166062 + ... + 172042.

It is an arithmetic number, because the mean of its divisors is an integer number (79434978).

Almost surely, 2^1011100012 is an apocalyptic number.

It is an amenable number.

1011100012 is a deficient number, since it is larger than the sum of its proper divisors (895339460).

1011100012 is a wasteful number, since it uses less digits than its factorization.

1011100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9249 (or 9247 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1011100012 is about 31797.7988546377. The cubic root of 1011100012 is about 1003.6863977727.

Adding to 1011100012 its reverse (2100011101), we get a palindrome (3111111113).

The spelling of 1011100012 in words is "one billion, eleven million, one hundred thousand, twelve".