1102221130212 has 72 divisors (see below), whose sum is σ = 2865803266872. Its totient is φ = 356936025600.

The previous prime is 1102221130147. The next prime is 1102221130319. The reversal of 1102221130212 is 2120311222011.

1102221130212 is a `hidden beast` number, since 1 + 102 + 221 + 130 + 212 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 257468967396 + 844752162816 = 507414^2 + 919104^2 .

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 23 ways as a sum of consecutive naturals, for example, 254512 + ... + 1506392.

It is an arithmetic number, because the mean of its divisors is an integer number (39802823151).

Almost surely, 2^{1102221130212} is an apocalyptic number.

1102221130212 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 1102221130212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432901633436).

1102221130212 is an abundant number, since it is smaller than the sum of its proper divisors (1763582136660).

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

1102221130212 is a wasteful number, since it uses less digits than its factorization.

1102221130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252589 (or 1252584 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1102221130212 its reverse (2120311222011), we get a palindrome (3222532352223).

The spelling of 1102221130212 in words is "one trillion, one hundred two billion, two hundred twenty-one million, one hundred thirty thousand, two hundred twelve".