101010010111111 has 16 divisors (see below), whose sum is σ = 102083528451168. Its totient is φ = 99937957248000.

The previous prime is 101010010111091. The next prime is 101010010111117. The reversal of 101010010111111 is 111111010010101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101010010111111 - 2²⁵ = 101009976556679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010010111117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816728500 + ... + 816852166.

It is an arithmetic number, because the mean of its divisors is an integer number (6380220528198).

Almost surely, 2^{101010010111111} is an apocalyptic number.

101010010111111 is a deficient number, since it is larger than the sum of its proper divisors (1073518340057).

101010010111111 is a wasteful number, since it uses less digits than its factorization.

101010010111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129522.

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

Adding to 101010010111111 its reverse (111111010010101), we get a palindrome (212121020121212).

The spelling of 101010010111111 in words is "one hundred one trillion, ten billion, ten million, one hundred eleven thousand, one hundred eleven".