100001001101011 has 4 divisors (see below), whose sum is σ = 100001451780000. Its totient is φ = 100000550422024.

The previous prime is 100001001100951. The next prime is 100001001101087. The reversal of 100001001101011 is 110101100100001.

It is a happy number.

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 100001001101011 - 2⁹ = 100001001100499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100001001100985 and 100001001101003.

It is not an unprimeable number, because it can be changed into a prime (100001001101311) 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, 225006496 + ... + 225450493.

It is an arithmetic number, because the mean of its divisors is an integer number (25000362945000).

Almost surely, 2^{100001001101011} is an apocalyptic number.

100001001101011 is a deficient number, since it is larger than the sum of its proper divisors (450678989).

100001001101011 is an equidigital number, since it uses as much as digits as its factorization.

100001001101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450678988.

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

Adding to 100001001101011 its reverse (110101100100001), we get a palindrome (210102101201012).

The spelling of 100001001101011 in words is "one hundred trillion, one billion, one million, one hundred one thousand, eleven".