1121312122 has 8 divisors (see below), whose sum is σ = 1922249376. Its totient is φ = 480562332.

The previous prime is 1121312117. The next prime is 1121312141. The reversal of 1121312122 is 2212131211.

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

It is a junction number, because it is equal to n+sod(n) for n = 1121312096 and 1121312105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40046848 + ... + 40046875.

It is an arithmetic number, because the mean of its divisors is an integer number (240281172).

Almost surely, 2^1121312122 is an apocalyptic number.

1121312122 is a deficient number, since it is larger than the sum of its proper divisors (800937254).

1121312122 is an equidigital number, since it uses as much as digits as its factorization.

1121312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80093732.

The product of its digits is 48, while the sum is 16.

The square root of 1121312122 is about 33485.9988950606. The cubic root of 1121312122 is about 1038.9042088727.

Adding to 1121312122 its reverse (2212131211), we get a palindrome (3333443333).

The spelling of 1121312122 in words is "one billion, one hundred twenty-one million, three hundred twelve thousand, one hundred twenty-two".