112210012212121 has 8 divisors (see below), whose sum is σ = 114806961060480. Its totient is φ = 109621792604688.

The previous prime is 112210012212071. The next prime is 112210012212149. The reversal of 112210012212121 is 121212210012211.

It is a happy number.

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 112210012212121 - 2⁷ = 112210012211993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112210012212421) 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, 2182284226 + ... + 2182335643.

It is an arithmetic number, because the mean of its divisors is an integer number (14350870132560).

Almost surely, 2^{112210012212121} is an apocalyptic number.

It is an amenable number.

112210012212121 is a deficient number, since it is larger than the sum of its proper divisors (2596948848359).

112210012212121 is an equidigital number, since it uses as much as digits as its factorization.

112210012212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364620463.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112210012212121 its reverse (121212210012211), we get a palindrome (233422222224332).

The spelling of 112210012212121 in words is "one hundred twelve trillion, two hundred ten billion, twelve million, two hundred twelve thousand, one hundred twenty-one".