112121211005 has 16 divisors (see below), whose sum is σ = 134760689280. Its totient is φ = 89553592128.

The previous prime is 112121210959. The next prime is 112121211113. The reversal of 112121211005 is 500112121211.

It is a cyclic number.

It is not a de Polignac number, because 112121211005 - 2⁶ = 112121210941 is a prime.

It is a super-2 number, since 2×112121211005² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9966914 + ... + 9978156.

It is an arithmetic number, because the mean of its divisors is an integer number (8422543080).

Almost surely, 2^112121211005 is an apocalyptic number.

It is an amenable number.

112121211005 is a deficient number, since it is larger than the sum of its proper divisors (22639478275).

112121211005 is a wasteful number, since it uses less digits than its factorization.

112121211005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14260.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 112121211005 its reverse (500112121211), we get a palindrome (612233332216).

The spelling of 112121211005 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, five".