101010101111011 has 4 divisors (see below), whose sum is σ = 101010195700312. Its totient is φ = 101010006521712.

The previous prime is 101010101110991. The next prime is 101010101111021. The reversal of 101010101111011 is 110111101010101.

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 101010101111011 - 2⁴³ = 92214008088803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101010101111021) 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, 45674325 + ... + 47834758.

It is an arithmetic number, because the mean of its divisors is an integer number (25252548925078).

Almost surely, 2^{101010101111011} is an apocalyptic number.

101010101111011 is a deficient number, since it is larger than the sum of its proper divisors (94589301).

101010101111011 is an equidigital number, since it uses as much as digits as its factorization.

101010101111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94589300.

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

Adding to 101010101111011 its reverse (110111101010101), we get a palindrome (211121202121112).

The spelling of 101010101111011 in words is "one hundred one trillion, ten billion, one hundred one million, one hundred eleven thousand, eleven".