1111213311312 has 40 divisors (see below), whose sum is σ = 3091452419104. Its totient is φ = 341911787904.

The previous prime is 1111213311233. The next prime is 1111213311349. The reversal of 1111213311312 is 2131133121111.

It is a super-2 number, since 2×1111213311312² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890394658 + ... + 890395905.

Almost surely, 2^{1111213311312} is an apocalyptic number.

1111213311312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111213311312 is an abundant number, since it is smaller than the sum of its proper divisors (1980239107792).

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

1111213311312 is a wasteful number, since it uses less digits than its factorization.

1111213311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780790587 (or 1780790581 counting only the distinct ones).

The product of its digits is 108, while the sum is 21.

Adding to 1111213311312 its reverse (2131133121111), we get a palindrome (3242346432423).

The spelling of 1111213311312 in words is "one trillion, one hundred eleven billion, two hundred thirteen million, three hundred eleven thousand, three hundred twelve".