11021002011205 has 8 divisors (see below), whose sum is σ = 13225393222272. Its totient is φ = 8816674403088.

The previous prime is 11021002011143. The next prime is 11021002011209. The reversal of 11021002011205 is 50211020012011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11021002011205 - 2³⁷ = 10883563057733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021002011209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15518689 + ... + 16213318.

It is an arithmetic number, because the mean of its divisors is an integer number (1653174152784).

Almost surely, 2^{11021002011205} is an apocalyptic number.

It is an amenable number.

11021002011205 is a deficient number, since it is larger than the sum of its proper divisors (2204391211067).

11021002011205 is an equidigital number, since it uses as much as digits as its factorization.

11021002011205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31801475.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 11021002011205 its reverse (50211020012011), we get a palindrome (61232022023216).

The spelling of 11021002011205 in words is "eleven trillion, twenty-one billion, two million, eleven thousand, two hundred five".