112121322122 has 4 divisors (see below), whose sum is σ = 168181983186. Its totient is φ = 56060661060.

The previous prime is 112121322119. The next prime is 112121322191. The reversal of 112121322122 is 221223121211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70267936561 + 41853385561 = 265081^2 + 204581^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112121322094 and 112121322103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28030330529 + ... + 28030330532.

Almost surely, 2^112121322122 is an apocalyptic number.

112121322122 is a deficient number, since it is larger than the sum of its proper divisors (56060661064).

112121322122 is an equidigital number, since it uses as much as digits as its factorization.

112121322122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56060661063.

The product of its digits is 192, while the sum is 20.

Adding to 112121322122 its reverse (221223121211), we get a palindrome (333344443333).

The spelling of 112121322122 in words is "one hundred twelve billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred twenty-two".