101101010001011 has 4 divisors (see below), whose sum is σ = 101111410279224. Its totient is φ = 101090609722800.

The previous prime is 101101010000957. The next prime is 101101010001031. The reversal of 101101010001011 is 110100010101101.

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-101101010001011 is a prime.

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 101101010001011.

It is not an unprimeable number, because it can be changed into a prime (101101010001031) 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, 5200124525 + ... + 5200143966.

It is an arithmetic number, because the mean of its divisors is an integer number (25277852569806).

Almost surely, 2^{101101010001011} is an apocalyptic number.

101101010001011 is a deficient number, since it is larger than the sum of its proper divisors (10400278213).

101101010001011 is an equidigital number, since it uses as much as digits as its factorization.

101101010001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10400278212.

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

Adding to 101101010001011 its reverse (110100010101101), we get a palindrome (211201020102112).

The spelling of 101101010001011 in words is "one hundred one trillion, one hundred one billion, ten million, one thousand, eleven".