112121101 has 8 divisors (see below), whose sum is σ = 115291008. Its totient is φ = 108972000.

The previous prime is 112121099. The next prime is 112121117. The reversal of 112121101 is 101121211.

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 112121101 - 2¹ = 112121099 is a prime.

It is a super-2 number, since 2×112121101² = 25142282578904402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121161) 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, 6066 + ... + 16156.

It is an arithmetic number, because the mean of its divisors is an integer number (14411376).

Almost surely, 2^112121101 is an apocalyptic number.

It is an amenable number.

112121101 is a deficient number, since it is larger than the sum of its proper divisors (3169907).

112121101 is a wasteful number, since it uses less digits than its factorization.

112121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10403.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 112121101 is about 10588.7251829481. The cubic root of 112121101 is about 482.2021227788.

Adding to 112121101 its reverse (101121211), we get a palindrome (213242312).

It can be divided in two parts, 1121 and 21101, that added together give a palindrome (22222).

The spelling of 112121101 in words is "one hundred twelve million, one hundred twenty-one thousand, one hundred one".