1001213311109 has 16 divisors (see below), whose sum is σ = 1114061118144. Its totient is φ = 892109030400.

The previous prime is 1001213311099. The next prime is 1001213311159. The reversal of 1001213311109 is 9011133121001.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001213311109 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 (1001213311159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2446364 + ... + 2826149.

It is an arithmetic number, because the mean of its divisors is an integer number (69628819884).

Almost surely, 2^{1001213311109} is an apocalyptic number.

It is an amenable number.

1001213311109 is a deficient number, since it is larger than the sum of its proper divisors (112847807035).

1001213311109 is a wasteful number, since it uses less digits than its factorization.

1001213311109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272868.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 1001213311109 in words is "one trillion, one billion, two hundred thirteen million, three hundred eleven thousand, one hundred nine".