10011001021012 has 12 divisors (see below), whose sum is σ = 17519403163360. Its totient is φ = 5005457260056.

The previous prime is 10011001020913. The next prime is 10011001021027. The reversal of 10011001021012 is 21012010011001.

It is a self number, because there is not a number n which added to its sum of digits gives 10011001021012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10288998 + ... + 11219869.

Almost surely, 2^{10011001021012} is an apocalyptic number.

It is an amenable number.

10011001021012 is a deficient number, since it is larger than the sum of its proper divisors (7508402142348).

10011001021012 is a wasteful number, since it uses less digits than its factorization.

10011001021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21625230 (or 21625228 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10011001021012 its reverse (21012010011001), we get a palindrome (31023011032013).

The spelling of 10011001021012 in words is "ten trillion, eleven billion, one million, twenty-one thousand, twelve".