100011101011 has 4 divisors (see below), whose sum is σ = 100026741472. Its totient is φ = 99995460552.

The previous prime is 100011100979. The next prime is 100011101039. The reversal of 100011101011 is 110101110001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110101110001 = 23563 ⋅4672627.

It is a cyclic number.

It is not a de Polignac number, because 100011101011 - 2⁵ = 100011100979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100011100985 and 100011101003.

It is not an unprimeable number, because it can be changed into a prime (100011108011) 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, 7810635 + ... + 7823428.

It is an arithmetic number, because the mean of its divisors is an integer number (25006685368).

Almost surely, 2^100011101011 is an apocalyptic number.

100011101011 is a deficient number, since it is larger than the sum of its proper divisors (15640461).

100011101011 is an equidigital number, since it uses as much as digits as its factorization.

100011101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15640460.

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

Adding to 100011101011 its reverse (110101110001), we get a palindrome (210112211012).

It can be divided in two parts, 10001 and 1101011, that multiplied together give a palindrome (11011211011).

The spelling of 100011101011 in words is "one hundred billion, eleven million, one hundred one thousand, eleven".