1122213311112 has 64 divisors (see below), whose sum is σ = 2902818240000. Its totient is φ = 361104597504.

The previous prime is 1122213311081. The next prime is 1122213311113. The reversal of 1122213311112 is 2111133122211.

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

It is not an unprimeable number, because it can be changed into a prime (1122213311113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3644553 + ... + 3940455.

It is an arithmetic number, because the mean of its divisors is an integer number (45356535000).

Almost surely, 2^{1122213311112} is an apocalyptic number.

1122213311112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122213311112 is an abundant number, since it is smaller than the sum of its proper divisors (1780604928888).

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

1122213311112 is a wasteful number, since it uses less digits than its factorization.

1122213311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301390 (or 301386 counting only the distinct ones).

The product of its digits is 144, while the sum is 21.

Adding to 1122213311112 its reverse (2111133122211), we get a palindrome (3233346433323).

The spelling of 1122213311112 in words is "one trillion, one hundred twenty-two billion, two hundred thirteen million, three hundred eleven thousand, one hundred twelve".