1310111122 has 4 divisors (see below), whose sum is σ = 1965166686. Its totient is φ = 655055560.

The previous prime is 1310111113. The next prime is 1310111167. The reversal of 1310111122 is 2211110131.

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., 892276641 + 417834481 = 29871^2 + 20441^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327527779 + ... + 327527782.

Almost surely, 2^1310111122 is an apocalyptic number.

1310111122 is a deficient number, since it is larger than the sum of its proper divisors (655055564).

1310111122 is an equidigital number, since it uses as much as digits as its factorization.

1310111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655055563.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1310111122 is about 36195.4572011461. The cubic root of 1310111122 is about 1094.2151188945.

Adding to 1310111122 its reverse (2211110131), we get a palindrome (3521221253).

Subtracting 1310111122 from its reverse (2211110131), we obtain a palindrome (900999009).

The spelling of 1310111122 in words is "one billion, three hundred ten million, one hundred eleven thousand, one hundred twenty-two".