112212211021121 has 8 divisors (see below), whose sum is σ = 117097473427584. Its totient is φ = 107327487833280.

The previous prime is 112212211021091. The next prime is 112212211021151. The reversal of 112212211021121 is 121120112212211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (112212211021091) and next prime (112212211021151).

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 112212211021121 - 2³⁸ = 111937333114177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112212211021093 and 112212211021102.

It is not an unprimeable number, because it can be changed into a prime (112212211021151) 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, 134379365 + ... + 135211826.

It is an arithmetic number, because the mean of its divisors is an integer number (14637184178448).

Almost surely, 2^{112212211021121} is an apocalyptic number.

It is an amenable number.

112212211021121 is a deficient number, since it is larger than the sum of its proper divisors (4885262406463).

112212211021121 is a wasteful number, since it uses less digits than its factorization.

112212211021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269609311.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112212211021121 its reverse (121120112212211), we get a palindrome (233332323233332).

The spelling of 112212211021121 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred eleven million, twenty-one thousand, one hundred twenty-one".