1111220220112 has 20 divisors (see below), whose sum is σ = 2222440441216. Its totient is φ = 537687203040.

The previous prime is 1111220220101. The next prime is 1111220220113. The reversal of 1111220220112 is 2110220221111.

1111220220112 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111220220113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120181178 + ... + 1120182169.

Almost surely, 2^{1111220220112} is an apocalyptic number.

It is an amenable number.

1111220220112 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1111220220112 is a wasteful number, since it uses less digits than its factorization.

1111220220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240363386 (or 2240363380 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1111220220112 its reverse (2110220221111), we get a palindrome (3221440441223).

Subtracting 1111220220112 from its reverse (2110220221111), we obtain a palindrome (999000000999).

The spelling of 1111220220112 in words is "one trillion, one hundred eleven billion, two hundred twenty million, two hundred twenty thousand, one hundred twelve".