1113211223112 has 32 divisors (see below), whose sum is σ = 2783070478080. Its totient is φ = 371064751680.

The previous prime is 1113211223107. The next prime is 1113211223123. The reversal of 1113211223112 is 2113221123111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1439433 + ... + 2073255.

It is an arithmetic number, because the mean of its divisors is an integer number (86970952440).

Almost surely, 2^{1113211223112} is an apocalyptic number.

1113211223112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1113211223112 is an abundant number, since it is smaller than the sum of its proper divisors (1669859254968).

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

1113211223112 is a wasteful number, since it uses less digits than its factorization.

1113211223112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707013 (or 707009 counting only the distinct ones).

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

Adding to 1113211223112 its reverse (2113221123111), we get a palindrome (3226432346223).

The spelling of 1113211223112 in words is "one trillion, one hundred thirteen billion, two hundred eleven million, two hundred twenty-three thousand, one hundred twelve".