100011010001011 has 4 divisors (see below), whose sum is σ = 100011042912312. Its totient is φ = 100010977089712.

The previous prime is 100011010000999. The next prime is 100011010001027. The reversal of 100011010001011 is 110100010110001.

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 100011010001011 - 2¹³ = 100011009992819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100011010000985 and 100011010001003.

It is not an unprimeable number, because it can be changed into a prime (100011010004011) 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, 11374450 + ... + 18149383.

It is an arithmetic number, because the mean of its divisors is an integer number (25002760728078).

Almost surely, 2^{100011010001011} is an apocalyptic number.

100011010001011 is a deficient number, since it is larger than the sum of its proper divisors (32911301).

100011010001011 is an equidigital number, since it uses as much as digits as its factorization.

100011010001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32911300.

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

Adding to 100011010001011 its reverse (110100010110001), we get a palindrome (210111020111012).

The spelling of 100011010001011 in words is "one hundred trillion, eleven billion, ten million, one thousand, eleven".