1102221122112 has 126 divisors (see below), whose sum is σ = 3472638830934. Its totient is φ = 334006379520.

The previous prime is 1102221122087. The next prime is 1102221122159. The reversal of 1102221122112 is 2112211222011.

It can be written as a sum of positive squares in only one way, i.e., 1029851513856 + 72369608256 = 1014816^2 + 269016^2 .

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 17 ways as a sum of consecutive naturals, for example, 7837653 + ... + 7977044.

Almost surely, 2^{1102221122112} is an apocalyptic number.

1102221122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102221122112 is an abundant number, since it is smaller than the sum of its proper divisors (2370417708822).

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

1102221122112 is a wasteful number, since it uses less digits than its factorization.

1102221122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15814737 (or 15814713 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1102221122112 its reverse (2112211222011), we get a palindrome (3214432344123).

The spelling of 1102221122112 in words is "one trillion, one hundred two billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred twelve".