1122111102312 has 64 divisors (see below), whose sum is σ = 3117438345600. Its totient is φ = 373981466880.

The previous prime is 1122111102289. The next prime is 1122111102373. The reversal of 1122111102312 is 2132011112211.

It is a happy number.

1122111102312 is a `hidden beast` number, since 112 + 211 + 110 + 231 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1084368 + ... + 1849344.

It is an arithmetic number, because the mean of its divisors is an integer number (48709974150).

Almost surely, 2^{1122111102312} is an apocalyptic number.

1122111102312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122111102312 is an abundant number, since it is smaller than the sum of its proper divisors (1995327243288).

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

1122111102312 is a wasteful number, since it uses less digits than its factorization.

1122111102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771783 (or 771773 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1122111102312 its reverse (2132011112211), we get a palindrome (3254122214523).

The spelling of 1122111102312 in words is "one trillion, one hundred twenty-two billion, one hundred eleven million, one hundred two thousand, three hundred twelve".