101000001011011 has 4 divisors (see below), whose sum is σ = 101000386227400. Its totient is φ = 100999615794624.

The previous prime is 101000001010991. The next prime is 101000001011017. The reversal of 101000001011011 is 110110100000101.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101000001011011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101000001010985 and 101000001011003.

It is not an unprimeable number, because it can be changed into a prime (101000001011017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192214641 + ... + 192739378.

It is an arithmetic number, because the mean of its divisors is an integer number (25250096556850).

Almost surely, 2^{101000001011011} is an apocalyptic number.

101000001011011 is a deficient number, since it is larger than the sum of its proper divisors (385216389).

101000001011011 is an equidigital number, since it uses as much as digits as its factorization.

101000001011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385216388.

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

Adding to 101000001011011 its reverse (110110100000101), we get a palindrome (211110101011112).

The spelling of 101000001011011 in words is "one hundred one trillion, one million, eleven thousand, eleven".