1112001122 has 4 divisors (see below), whose sum is σ = 1668001686.
Its totient is φ = 556000560.
The previous prime is 1112001103. The next prime is 1112001131. The reversal of 1112001122 is 2211002111.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2211002111 = 21193 ⋅104327.
It can be written as a sum of positive squares in only one way, i.e., 852114481 + 259886641 = 29191^2 + 16121^2
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278000279 + ... + 278000282.
Almost surely, 21112001122 is an apocalyptic number.
1112001122 is a deficient number, since it is larger than the sum of its proper divisors (556000564).
1112001122 is an equidigital number, since it uses as much as digits as its factorization.
1112001122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 556000563.
The product of its (nonzero) digits is 8, while the sum is 11.
The square root of 1112001122 is about 33346.6808243339.
The cubic root of 1112001122 is about 1036.0206419216.
Adding to 1112001122 its reverse (2211002111), we get a palindrome (3323003233).
The spelling of 1112001122 in words is "one billion, one hundred twelve million, one thousand, one hundred twenty-two".