101111001011011 has 8 divisors (see below), whose sum is σ = 105633206931600. Its totient is φ = 96657836402400.

The previous prime is 101111001010949. The next prime is 101111001011023. The reversal of 101111001011011 is 110110100111101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101111001011011 - 2⁹ = 101111001010499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101111001011311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17260325001 + ... + 17260330858.

It is an arithmetic number, because the mean of its divisors is an integer number (13204150866450).

Almost surely, 2^{101111001011011} is an apocalyptic number.

101111001011011 is a deficient number, since it is larger than the sum of its proper divisors (4522205920589).

101111001011011 is a wasteful number, since it uses less digits than its factorization.

101111001011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34520655989.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 101111001011011 its reverse (110110100111101), we get a palindrome (211221101122112).

It can be divided in two parts, 10111100 and 1011011, that added together give a palindrome (11122111).

The spelling of 101111001011011 in words is "one hundred one trillion, one hundred eleven billion, one million, eleven thousand, eleven".