112121112222122 has 8 divisors (see below), whose sum is σ = 168190943282436. Its totient is φ = 56057464461312.

The previous prime is 112121112222121. The next prime is 112121112222137. The reversal of 112121112222122 is 221222211121211.

It can be written as a sum of positive squares in 2 ways, for example, as 107421803073601 + 4699309148521 = 10364449^2 + 2167789^2 .

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

It is a super-2 number, since 2×112121112222122² (a number of 29 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (112121112222121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545779543 + ... + 1545852074.

Almost surely, 2^{112121112222122} is an apocalyptic number.

112121112222122 is a deficient number, since it is larger than the sum of its proper divisors (56069831060314).

112121112222122 is a wasteful number, since it uses less digits than its factorization.

112121112222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091649752.

The product of its digits is 256, while the sum is 23.

Adding to 112121112222122 its reverse (221222211121211), we get a palindrome (333343323343333).

The spelling of 112121112222122 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty-two".