11012209999999 has 4 divisors (see below), whose sum is σ = 11859303076936. Its totient is φ = 10165116923064.

The previous prime is 11012209999997. The next prime is 11012210000009. The reversal of 11012209999999 is 99999990221011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11012209999999 - 2¹ = 11012209999997 is a prime.

It is a Duffinian number.

11012209999999 is a modest number, since divided by 9999999 gives 1101220 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012209999997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423546538449 + ... + 423546538474.

It is an arithmetic number, because the mean of its divisors is an integer number (2964825769234).

Almost surely, 2^{11012209999999} is an apocalyptic number.

11012209999999 is a deficient number, since it is larger than the sum of its proper divisors (847093076937).

11012209999999 is an equidigital number, since it uses as much as digits as its factorization.

11012209999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847093076936.

The product of its (nonzero) digits is 19131876, while the sum is 70.

The spelling of 11012209999999 in words is "eleven trillion, twelve billion, two hundred nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".