10011001001101 has 4 divisors (see below), whose sum is σ = 10027226286972. Its totient is φ = 9994775715232.

The previous prime is 10011001000951. The next prime is 10011001001123. The reversal of 10011001001101 is 10110010011001.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 554914745476 + 9456086255625 = 744926^2 + 3075075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10011001001101 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 (10011001004101) 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, 8112642010 + ... + 8112643243.

It is an arithmetic number, because the mean of its divisors is an integer number (2506806571743).

Almost surely, 2^{10011001001101} is an apocalyptic number.

It is an amenable number.

10011001001101 is a deficient number, since it is larger than the sum of its proper divisors (16225285871).

10011001001101 is an equidigital number, since it uses as much as digits as its factorization.

10011001001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16225285870.

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

Adding to 10011001001101 its reverse (10110010011001), we get a palindrome (20121011012102).

The spelling of 10011001001101 in words is "ten trillion, eleven billion, one million, one thousand, one hundred one".