1001101001011 has 8 divisors (see below), whose sum is σ = 1058516049920. Its totient is φ = 944158504392.

The previous prime is 1001101000997. The next prime is 1001101001093. The reversal of 1001101001011 is 1101001011001.

It is a happy number.

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 1001101001011 - 2⁵ = 1001101000979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001101000985 and 1001101001003.

It is not an unprimeable number, because it can be changed into a prime (1001101001311) 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, 118133715 + ... + 118142188.

It is an arithmetic number, because the mean of its divisors is an integer number (132314506240).

Almost surely, 2^{1001101001011} is an apocalyptic number.

1001101001011 is a deficient number, since it is larger than the sum of its proper divisors (57415048909).

1001101001011 is a wasteful number, since it uses less digits than its factorization.

1001101001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236276145.

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

Adding to 1001101001011 its reverse (1101001011001), we get a palindrome (2102102012012).

The spelling of 1001101001011 in words is "one trillion, one billion, one hundred one million, one thousand, eleven".