1111313122 has 4 divisors (see below), whose sum is σ = 1666969686. Its totient is φ = 555656560.

The previous prime is 1111313117. The next prime is 1111313143. The reversal of 1111313122 is 2213131111.

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., 697963561 + 413349561 = 26419^2 + 20331^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1111313096 and 1111313105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277828279 + ... + 277828282.

Almost surely, 2^1111313122 is an apocalyptic number.

1111313122 is a deficient number, since it is larger than the sum of its proper divisors (555656564).

1111313122 is an equidigital number, since it uses as much as digits as its factorization.

1111313122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555656563.

The product of its digits is 36, while the sum is 16.

The square root of 1111313122 is about 33336.3633589508. The cubic root of 1111313122 is about 1035.8069343277.

Adding to 1111313122 its reverse (2213131111), we get a palindrome (3324444233).

The spelling of 1111313122 in words is "one billion, one hundred eleven million, three hundred thirteen thousand, one hundred twenty-two".