1101144440220 has 48 divisors (see below), whose sum is σ = 3363495746688. Its totient is φ = 266944106560.

The previous prime is 1101144440177. The next prime is 1101144440419. The reversal of 1101144440220 is 220444411011.

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 15 ways as a sum of consecutive naturals, for example, 834199674 + ... + 834200993.

It is an arithmetic number, because the mean of its divisors is an integer number (70072828056).

Almost surely, 2^{1101144440220} is an apocalyptic number.

1101144440220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101144440220 is an abundant number, since it is smaller than the sum of its proper divisors (2262351306468).

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

1101144440220 is a wasteful number, since it uses less digits than its factorization.

1101144440220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668400690 (or 1668400688 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1101144440220 its reverse (220444411011), we get a palindrome (1321588851231).

The spelling of 1101144440220 in words is "one trillion, one hundred one billion, one hundred forty-four million, four hundred forty thousand, two hundred twenty".