1101030120120 has 128 divisors (see below), whose sum is σ = 3779125056000. Its totient is φ = 251386384896.

The previous prime is 1101030120103. The next prime is 1101030120121. The reversal of 1101030120120 is 210210301011.

It is a super-2 number, since 2×1101030120120² (a number of 25 digits) contains 22 as substring.

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 = 1101030120096 and 1101030120105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101030120121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39306 + ... + 1484454.

It is an arithmetic number, because the mean of its divisors is an integer number (29524414500).

Almost surely, 2^{1101030120120} is an apocalyptic number.

1101030120120 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 1101030120120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889562528000).

1101030120120 is an abundant number, since it is smaller than the sum of its proper divisors (2678094935880).

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

1101030120120 is a wasteful number, since it uses less digits than its factorization.

1101030120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446077 (or 1446073 counting only the distinct ones).

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

Adding to 1101030120120 its reverse (210210301011), we get a palindrome (1311240421131).

The spelling of 1101030120120 in words is "one trillion, one hundred one billion, thirty million, one hundred twenty thousand, one hundred twenty".