1113222211312 has 20 divisors (see below), whose sum is σ = 2158366944960. Its totient is φ = 556224290048.

The previous prime is 1113222211289. The next prime is 1113222211337. The reversal of 1113222211312 is 2131122223111.

It is a happy number.

It is a super-2 number, since 2×1113222211312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24152233 + ... + 24198280.

It is an arithmetic number, because the mean of its divisors is an integer number (107918347248).

Almost surely, 2^{1113222211312} is an apocalyptic number.

It is an amenable number.

1113222211312 is a deficient number, since it is larger than the sum of its proper divisors (1045144733648).

1113222211312 is a wasteful number, since it uses less digits than its factorization.

1113222211312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48351960 (or 48351954 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

Adding to 1113222211312 its reverse (2131122223111), we get a palindrome (3244344434423).

The spelling of 1113222211312 in words is "one trillion, one hundred thirteen billion, two hundred twenty-two million, two hundred eleven thousand, three hundred twelve".