11112101121 has 8 divisors (see below), whose sum is σ = 16163056224. Its totient is φ = 6734606720.

The previous prime is 11112101107. The next prime is 11112101167. The reversal of 11112101121 is 12110121111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11112101121 - 2¹¹ = 11112099073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11112101097 and 11112101106.

It is not an unprimeable number, because it can be changed into a prime (11112101521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168365136 + ... + 168365201.

It is an arithmetic number, because the mean of its divisors is an integer number (2020382028).

Almost surely, 2^11112101121 is an apocalyptic number.

11112101121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11112101121 is a deficient number, since it is larger than the sum of its proper divisors (5050955103).

11112101121 is a wasteful number, since it uses less digits than its factorization.

11112101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336730351.

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

Adding to 11112101121 its reverse (12110121111), we get a palindrome (23222222232).

The spelling of 11112101121 in words is "eleven billion, one hundred twelve million, one hundred one thousand, one hundred twenty-one".