1102221221000 has 64 divisors (see below), whose sum is σ = 2617693303680. Its totient is φ = 434308036800.

The previous prime is 1102221220999. The next prime is 1102221221011. The reversal of 1102221221000 is 1221222011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8158532 + ... + 8292531.

It is an arithmetic number, because the mean of its divisors is an integer number (40901457870).

Almost surely, 2^{1102221221000} is an apocalyptic number.

1102221221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102221221000 is an abundant number, since it is smaller than the sum of its proper divisors (1515472082680).

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

1102221221000 is a wasteful number, since it uses less digits than its factorization.

1102221221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16451151 (or 16451137 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1102221221000 its reverse (1221222011), we get a palindrome (1103442443011).

The spelling of 1102221221000 in words is "one trillion, one hundred two billion, two hundred twenty-one million, two hundred twenty-one thousand".