1103122220120 has 128 divisors (see below), whose sum is σ = 2649044865600. Its totient is φ = 411976482816.

The previous prime is 1103122220077. The next prime is 1103122220173. The reversal of 1103122220120 is 210222213011.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141114452 + ... + 141122268.

Almost surely, 2^{1103122220120} is an apocalyptic number.

1103122220120 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 1103122220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324522432800).

1103122220120 is an abundant number, since it is smaller than the sum of its proper divisors (1545922645480).

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

1103122220120 is a wasteful number, since it uses less digits than its factorization.

1103122220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9477 (or 9473 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1103122220120 its reverse (210222213011), we get a palindrome (1313344433131).

The spelling of 1103122220120 in words is "one trillion, one hundred three billion, one hundred twenty-two million, two hundred twenty thousand, one hundred twenty".