1111102220112 has 80 divisors (see below), whose sum is σ = 2907091969920. Its totient is φ = 365639059456.

The previous prime is 1111102220093. The next prime is 1111102220153. The reversal of 1111102220112 is 2110222011111.

It is a happy number.

It is a super-3 number, since 3×1111102220112³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111102220091 and 1111102220100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2562988 + ... + 2964980.

It is an arithmetic number, because the mean of its divisors is an integer number (36338649624).

Almost surely, 2^{1111102220112} is an apocalyptic number.

1111102220112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111102220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453545984960).

1111102220112 is an abundant number, since it is smaller than the sum of its proper divisors (1795989749808).

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

1111102220112 is a wasteful number, since it uses less digits than its factorization.

1111102220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402740 (or 402734 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1111102220112 its reverse (2110222011111), we get a palindrome (3221324231223).

The spelling of 1111102220112 in words is "one trillion, one hundred eleven billion, one hundred two million, two hundred twenty thousand, one hundred twelve".