1102202222112 has 144 divisors (see below), whose sum is σ = 3281188030848. Its totient is φ = 350296151040.

The previous prime is 1102202222081. The next prime is 1102202222141. The reversal of 1102202222112 is 2112222022011.

It is a happy number.

1102202222112 is a `hidden beast` number, since 1 + 10 + 220 + 222 + 211 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1792548 + ... + 2327580.

It is an arithmetic number, because the mean of its divisors is an integer number (22786027992).

Almost surely, 2^{1102202222112} is an apocalyptic number.

1102202222112 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 1102202222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1640594015424).

1102202222112 is an abundant number, since it is smaller than the sum of its proper divisors (2178985808736).

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

1102202222112 is a wasteful number, since it uses less digits than its factorization.

1102202222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535383 (or 535372 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1102202222112 its reverse (2112222022011), we get a palindrome (3214424244123).

It can be divided in two parts, 110220 and 2222112, that added together give a palindrome (2332332).

The spelling of 1102202222112 in words is "one trillion, one hundred two billion, two hundred two million, two hundred twenty-two thousand, one hundred twelve".