11012021100009 has 12 divisors (see below), whose sum is σ = 15906609229056. Its totient is φ = 7341182848152.

The previous prime is 11012021099977. The next prime is 11012021100011. The reversal of 11012021100009 is 90000112021011.

It is a happy number.

It is not a de Polignac number, because 11012021100009 - 2⁵ = 11012021099977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11012021099964 and 11012021100000.

It is not an unprimeable number, because it can be changed into a prime (11012021100089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13288129 + ... + 14092494.

It is an arithmetic number, because the mean of its divisors is an integer number (1325550769088).

Almost surely, 2^{11012021100009} is an apocalyptic number.

It is an amenable number.

11012021100009 is a deficient number, since it is larger than the sum of its proper divisors (4894588129047).

11012021100009 is a wasteful number, since it uses less digits than its factorization.

11012021100009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27425316 (or 27425313 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 11012021100009 in words is "eleven trillion, twelve billion, twenty-one million, one hundred thousand, nine".