1112313213122 has 4 divisors (see below), whose sum is σ = 1668469819686. Its totient is φ = 556156606560.

The previous prime is 1112313213047. The next prime is 1112313213161. The reversal of 1112313213122 is 2213123132111.

It is a happy number.

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., 1003801606201 + 108511606921 = 1001899^2 + 329411^2 .

It is a super-3 number, since 3×1112313213122³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278078303279 + ... + 278078303282.

Almost surely, 2^{1112313213122} is an apocalyptic number.

1112313213122 is a deficient number, since it is larger than the sum of its proper divisors (556156606564).

1112313213122 is an equidigital number, since it uses as much as digits as its factorization.

1112313213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556156606563.

The product of its digits is 432, while the sum is 23.

Adding to 1112313213122 its reverse (2213123132111), we get a palindrome (3325436345233).

The spelling of 1112313213122 in words is "one trillion, one hundred twelve billion, three hundred thirteen million, two hundred thirteen thousand, one hundred twenty-two".