112202122122 has 12 divisors (see below), whose sum is σ = 243104597970. Its totient is φ = 37400707368.

The previous prime is 112202122121. The next prime is 112202122129. The reversal of 112202122122 is 221221202211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 98062296201 + 14139825921 = 313149^2 + 118911^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6233451229 = 112202122122 / (1 + 1 + 2 + 2 + 0 + 2 + 1 + 2 + 2 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 112202122095 and 112202122104.

It is not an unprimeable number, because it can be changed into a prime (112202122121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3116725597 + ... + 3116725632.

Almost surely, 2^112202122122 is an apocalyptic number.

112202122122 is an abundant number, since it is smaller than the sum of its proper divisors (130902475848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112202122122 is a wasteful number, since it uses less digits than its factorization.

112202122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233451237 (or 6233451234 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112202122122 its reverse (221221202211), we get a palindrome (333423324333).

The spelling of 112202122122 in words is "one hundred twelve billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty-two".