1311211330110 has 48 divisors (see below), whose sum is σ = 3719072139120. Its totient is φ = 317869413120.

The previous prime is 1311211330073. The next prime is 1311211330157. The reversal of 1311211330110 is 110331121131.

1311211330110 is a `hidden beast` number, since 1 + 3 + 11 + 211 + 330 + 110 = 666.

It is a super-2 number, since 2×1311211330110² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 662226955 + ... + 662228934.

It is an arithmetic number, because the mean of its divisors is an integer number (77480669565).

Almost surely, 2^{1311211330110} is an apocalyptic number.

1311211330110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311211330110 is an abundant number, since it is smaller than the sum of its proper divisors (2407860809010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311211330110 is a wasteful number, since it uses less digits than its factorization.

1311211330110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324455913 (or 1324455910 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1311211330110 its reverse (110331121131), we get a palindrome (1421542451241).

The spelling of 1311211330110 in words is "one trillion, three hundred eleven billion, two hundred eleven million, three hundred thirty thousand, one hundred ten".