1101322012120 has 128 divisors (see below), whose sum is σ = 2791220705280. Its totient is φ = 387454464000.

The previous prime is 1101322012099. The next prime is 1101322012129. The reversal of 1101322012120 is 212102231011.

It is a junction number, because it is equal to n+sod(n) for n = 1101322012094 and 1101322012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101322012129) by changing a digit.

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, 61548375 + ... + 61566265.

It is an arithmetic number, because the mean of its divisors is an integer number (21806411760).

Almost surely, 2^{1101322012120} is an apocalyptic number.

1101322012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101322012120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395610352640).

1101322012120 is an abundant number, since it is smaller than the sum of its proper divisors (1689898693160).

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

1101322012120 is a wasteful number, since it uses less digits than its factorization.

1101322012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22457 (or 22453 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1101322012120 its reverse (212102231011), we get a palindrome (1313424243131).

The spelling of 1101322012120 in words is "one trillion, one hundred one billion, three hundred twenty-two million, twelve thousand, one hundred twenty".