1311101122 has 8 divisors (see below), whose sum is σ = 1967118156. Its totient is φ = 655395072.

The previous prime is 1311101119. The next prime is 1311101147. The reversal of 1311101122 is 2211011131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1236295921 + 74805201 = 35161^2 + 8649^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 66903 + ... + 84250.

Almost surely, 2^1311101122 is an apocalyptic number.

1311101122 is a deficient number, since it is larger than the sum of its proper divisors (656017034).

1311101122 is a wasteful number, since it uses less digits than its factorization.

1311101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155492.

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

The square root of 1311101122 is about 36209.1303679058. The cubic root of 1311101122 is about 1094.4906680958.

Adding to 1311101122 its reverse (2211011131), we get a palindrome (3522112253).

The spelling of 1311101122 in words is "one billion, three hundred eleven million, one hundred one thousand, one hundred twenty-two".