1112211111100 has 72 divisors (see below), whose sum is σ = 2540788750640. Its totient is φ = 421425607680.

The previous prime is 1112211111097. The next prime is 1112211111107. The reversal of 1112211111100 is 11111122111.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112211111107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22686214 + ... + 22735186.

Almost surely, 2^{1112211111100} is an apocalyptic number.

1112211111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112211111100 is an abundant number, since it is smaller than the sum of its proper divisors (1428577639540).

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

1112211111100 is a wasteful number, since it uses less digits than its factorization.

1112211111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60959 (or 60952 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1112211111100 its reverse (11111122111), we get a palindrome (1123322233211).

The spelling of 1112211111100 in words is "one trillion, one hundred twelve billion, two hundred eleven million, one hundred eleven thousand, one hundred".