1101221344500 has 96 divisors (see below), whose sum is σ = 3218089090944. Its totient is φ = 292621248000.

The previous prime is 1101221344441. The next prime is 1101221344511. The reversal of 1101221344500 is 54431221011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 872581 + ... + 1721580.

It is an arithmetic number, because the mean of its divisors is an integer number (33521761364).

Almost surely, 2^{1101221344500} is an apocalyptic number.

1101221344500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101221344500 is an abundant number, since it is smaller than the sum of its proper divisors (2116867746444).

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

1101221344500 is a wasteful number, since it uses less digits than its factorization.

1101221344500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594466 (or 2594454 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 1101221344500 its reverse (54431221011), we get a palindrome (1155652565511).

The spelling of 1101221344500 in words is "one trillion, one hundred one billion, two hundred twenty-one million, three hundred forty-four thousand, five hundred".