11112101010101 has 32 divisors (see below), whose sum is σ = 13878982656000. Its totient is φ = 8661958119360.

The previous prime is 11112101010091. The next prime is 11112101010107. The reversal of 11112101010101 is 10101010121111.

It is a happy number.

It is not a de Polignac number, because 11112101010101 - 2⁶ = 11112101010037 is a prime.

11112101010101 is a modest number, since divided by 1010101 gives 111121 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112101010107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8424260 + ... + 9653618.

It is an arithmetic number, because the mean of its divisors is an integer number (433718208000).

Almost surely, 2^{11112101010101} is an apocalyptic number.

It is an amenable number.

11112101010101 is a deficient number, since it is larger than the sum of its proper divisors (2766881645899).

11112101010101 is a wasteful number, since it uses less digits than its factorization.

11112101010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230849.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11112101010101 its reverse (10101010121111), we get a palindrome (21213111131212).

It can be divided in two parts, 111121010 and 10101, that added together give a palindrome (111131111).

The spelling of 11112101010101 in words is "eleven trillion, one hundred twelve billion, one hundred one million, ten thousand, one hundred one".