1101022320 has 80 divisors (see below), whose sum is σ = 3505445280. Its totient is φ = 285668352.

The previous prime is 1101022313. The next prime is 1101022327. The reversal of 1101022320 is 232201011.

It is an interprime number because it is at equal distance from previous prime (1101022313) and next prime (1101022327).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1101022296 and 1101022305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101022327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53115 + ... + 70874.

It is an arithmetic number, because the mean of its divisors is an integer number (43818066).

Almost surely, 2^1101022320 is an apocalyptic number.

1101022320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101022320 is an abundant number, since it is smaller than the sum of its proper divisors (2404422960).

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

1101022320 is a wasteful number, since it uses less digits than its factorization.

1101022320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124042 (or 124036 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1101022320 is about 33181.6563781858. The cubic root of 1101022320 is about 1032.5998105607.

Adding to 1101022320 its reverse (232201011), we get a palindrome (1333223331).

The spelling of 1101022320 in words is "one billion, one hundred one million, twenty-two thousand, three hundred twenty".