1101311322220 has 24 divisors (see below), whose sum is σ = 2313148623408. Its totient is φ = 440449320000.

The previous prime is 1101311322211. The next prime is 1101311322247. The reversal of 1101311322220 is 222231131011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4580406 + ... + 4814845.

It is an arithmetic number, because the mean of its divisors is an integer number (96381192642).

Almost surely, 2^{1101311322220} is an apocalyptic number.

1101311322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101311322220 is an abundant number, since it is smaller than the sum of its proper divisors (1211837301188).

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

1101311322220 is a wasteful number, since it uses less digits than its factorization.

1101311322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9401121 (or 9401119 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1101311322220 its reverse (222231131011), we get a palindrome (1323542453231).

The spelling of 1101311322220 in words is "one trillion, one hundred one billion, three hundred eleven million, three hundred twenty-two thousand, two hundred twenty".