1011100001012 has 6 divisors (see below), whose sum is σ = 1769425001778. Its totient is φ = 505550000504.

The previous prime is 1011100001011. The next prime is 1011100001029. The reversal of 1011100001012 is 2101000011101.

It is a happy number.

1011100001012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 777070458256 + 234029542756 = 881516^2 + 483766^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011100001011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126387500123 + ... + 126387500130.

It is an arithmetic number, because the mean of its divisors is an integer number (294904166963).

Almost surely, 2^{1011100001012} is an apocalyptic number.

It is an amenable number.

1011100001012 is a deficient number, since it is larger than the sum of its proper divisors (758325000766).

1011100001012 is a wasteful number, since it uses less digits than its factorization.

1011100001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252775000257 (or 252775000255 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1011100001012 its reverse (2101000011101), we get a palindrome (3112100012113).

The spelling of 1011100001012 in words is "one trillion, eleven billion, one hundred million, one thousand, twelve".