10101010111101 has 96 divisors (see below), whose sum is σ = 18449898405120. Its totient is φ = 5181977659392.

The previous prime is 10101010111081. The next prime is 10101010111117. The reversal of 10101010111101 is 10111101010101.

It is not a de Polignac number, because 10101010111101 - 2⁹ = 10101010110589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101010111121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 78996646 + ... + 79124408.

It is an arithmetic number, because the mean of its divisors is an integer number (192186441720).

Almost surely, 2^{10101010111101} is an apocalyptic number.

It is an amenable number.

10101010111101 is a deficient number, since it is larger than the sum of its proper divisors (8348888294019).

10101010111101 is a wasteful number, since it uses less digits than its factorization.

10101010111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130435 (or 130432 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 10101010111101 its reverse (10111101010101), we get a palindrome (20212111121202).

The spelling of 10101010111101 in words is "ten trillion, one hundred one billion, ten million, one hundred eleven thousand, one hundred one".