1112211101100 has 144 divisors (see below), whose sum is σ = 3545301586176. Its totient is φ = 266957280000.

The previous prime is 1112211101077. The next prime is 1112211101129. The reversal of 1112211101100 is 11011122111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1335184 + ... + 2001783.

It is an arithmetic number, because the mean of its divisors is an integer number (24620149904).

Almost surely, 2^{1112211101100} is an apocalyptic number.

1112211101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112211101100 is an abundant number, since it is smaller than the sum of its proper divisors (2433090485076).

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

1112211101100 is a wasteful number, since it uses less digits than its factorization.

1112211101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337096 (or 3337089 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1112211101100 its reverse (11011122111), we get a palindrome (1123222223211).

The spelling of 1112211101100 in words is "one trillion, one hundred twelve billion, two hundred eleven million, one hundred one thousand, one hundred".