1010011001011 has 4 divisors (see below), whose sum is σ = 1010631783832. Its totient is φ = 1009390218192.

The previous prime is 1010011000939. The next prime is 1010011001029. The reversal of 1010011001011 is 1101001100101.

It is a happy number.

1010011001011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1010011001011 - 2⁹ = 1010011000499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010011000985 and 1010011001003.

It is not an unprimeable number, because it can be changed into a prime (1010011001071) 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, 310388970 + ... + 310392223.

It is an arithmetic number, because the mean of its divisors is an integer number (252657945958).

Almost surely, 2^{1010011001011} is an apocalyptic number.

1010011001011 is a deficient number, since it is larger than the sum of its proper divisors (620782821).

1010011001011 is an equidigital number, since it uses as much as digits as its factorization.

1010011001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620782820.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1010011001011 its reverse (1101001100101), we get a palindrome (2111012101112).

The spelling of 1010011001011 in words is "one trillion, ten billion, eleven million, one thousand, eleven".