1021133105012 has 24 divisors (see below), whose sum is σ = 1904151186504. Its totient is φ = 477472499712.

The previous prime is 1021133104963. The next prime is 1021133105033. The reversal of 1021133105012 is 2105013311201.

1021133105012 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 4 ways, for example, as 63385111696 + 957747993316 = 251764^2 + 978646^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47813093 + ... + 47834444.

It is an arithmetic number, because the mean of its divisors is an integer number (79339632771).

Almost surely, 2^{1021133105012} is an apocalyptic number.

It is an amenable number.

1021133105012 is a deficient number, since it is larger than the sum of its proper divisors (883018081492).

1021133105012 is a wasteful number, since it uses less digits than its factorization.

1021133105012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95647715 (or 95647713 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 1021133105012 its reverse (2105013311201), we get a palindrome (3126146416213).

The spelling of 1021133105012 in words is "one trillion, twenty-one billion, one hundred thirty-three million, one hundred five thousand, twelve".