112212212012121 has 8 divisors (see below), whose sum is σ = 161125227504640. Its totient is φ = 69053668930512.

The previous prime is 112212212012119. The next prime is 112212212012129. The reversal of 112212212012121 is 121210212212211.

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

It is not a de Polignac number, because 112212212012121 - 2¹ = 112212212012119 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112212212012129) 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, 1438618102681 + ... + 1438618102758.

It is an arithmetic number, because the mean of its divisors is an integer number (20140653438080).

Almost surely, 2^{112212212012121} is an apocalyptic number.

It is an amenable number.

112212212012121 is a deficient number, since it is larger than the sum of its proper divisors (48913015492519).

112212212012121 is a wasteful number, since it uses less digits than its factorization.

112212212012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877236205455.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 112212212012121 its reverse (121210212212211), we get a palindrome (233422424224332).

The spelling of 112212212012121 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred twelve million, twelve thousand, one hundred twenty-one".