1102222102212 has 432 divisors, whose sum is σ = 3553369537536. Its totient is φ = 281947881600.

The previous prime is 1102222102193. The next prime is 1102222102249. The reversal of 1102222102212 is 2122012222011.

It is a happy number.

1102222102212 is a `hidden beast` number, since 1 + 10 + 222 + 210 + 221 + 2 = 666.

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 143 ways as a sum of consecutive naturals, for example, 1242640033 + ... + 1242640919.

It is an arithmetic number, because the mean of its divisors is an integer number (8225392448).

Almost surely, 2^{1102222102212} is an apocalyptic number.

1102222102212 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 1102222102212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1776684768768).

1102222102212 is an abundant number, since it is smaller than the sum of its proper divisors (2451147435324).

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

1102222102212 is a wasteful number, since it uses less digits than its factorization.

1102222102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1484 counting only the distinct ones).

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

Adding to 1102222102212 its reverse (2122012222011), we get a palindrome (3224234324223).

The spelling of 1102222102212 in words is "one trillion, one hundred two billion, two hundred twenty-two million, one hundred two thousand, two hundred twelve".