101001100101011 has 4 divisors (see below), whose sum is σ = 110183018292024. Its totient is φ = 91819181910000.

The previous prime is 101001100100983. The next prime is 101001100101037. The reversal of 101001100101011 is 110101001100101.

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 101001100101011 - 2⁶ = 101001100100947 is a prime.

It is a super-2 number, since 2×101001100101011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101001100101011.

It is not an unprimeable number, because it can be changed into a prime (101001100100011) 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, 4590959095490 + ... + 4590959095511.

It is an arithmetic number, because the mean of its divisors is an integer number (27545754573006).

Almost surely, 2^{101001100101011} is an apocalyptic number.

101001100101011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101001100101011 is a deficient number, since it is larger than the sum of its proper divisors (9181918191013).

101001100101011 is an equidigital number, since it uses as much as digits as its factorization.

101001100101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9181918191012.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 101001100101011 its reverse (110101001100101), we get a palindrome (211102101201112).

The spelling of 101001100101011 in words is "one hundred one trillion, one billion, one hundred million, one hundred one thousand, eleven".