11112112101 has 16 divisors (see below), whose sum is σ = 15711758784. Its totient is φ = 6961607424.

The previous prime is 11112112093. The next prime is 11112112139. The reversal of 11112112101 is 10121121111.

It is not a de Polignac number, because 11112112101 - 2³ = 11112112093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112112001) 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, 133531 + ... + 200136.

It is an arithmetic number, because the mean of its divisors is an integer number (981984924).

Almost surely, 2^11112112101 is an apocalyptic number.

It is an amenable number.

11112112101 is a deficient number, since it is larger than the sum of its proper divisors (4599646683).

11112112101 is a wasteful number, since it uses less digits than its factorization.

11112112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334340.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11112112101 its reverse (10121121111), we get a palindrome (21233233212).

The spelling of 11112112101 in words is "eleven billion, one hundred twelve million, one hundred twelve thousand, one hundred one".