11012211220109 has 8 divisors (see below), whose sum is σ = 12013345560960. Its totient is φ = 10011080917600.

The previous prime is 11012211220103. The next prime is 11012211220169. The reversal of 11012211220109 is 90102211221011.

It is a happy number.

11012211220109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11012211220109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012211220103) 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, 9051644 + ... + 10195914.

It is an arithmetic number, because the mean of its divisors is an integer number (1501668195120).

Almost surely, 2^{11012211220109} is an apocalyptic number.

It is an amenable number.

11012211220109 is a deficient number, since it is larger than the sum of its proper divisors (1001134340851).

11012211220109 is a wasteful number, since it uses less digits than its factorization.

11012211220109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019171.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 11012211220109 in words is "eleven trillion, twelve billion, two hundred eleven million, two hundred twenty thousand, one hundred nine".