11102020210120 has 384 divisors, whose sum is σ = 31258723426560. Its totient is φ = 3463760609280.

The previous prime is 11102020210117. The next prime is 11102020210121. The reversal of 11102020210120 is 2101202020111.

It is a self number, because there is not a number n which added to its sum of digits gives 11102020210120.

It is not an unprimeable number, because it can be changed into a prime (11102020210121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 872725360 + ... + 872738080.

It is an arithmetic number, because the mean of its divisors is an integer number (81402925590).

Almost surely, 2^{11102020210120} is an apocalyptic number.

11102020210120 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 11102020210120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15629361713280).

11102020210120 is an abundant number, since it is smaller than the sum of its proper divisors (20156703216440).

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

11102020210120 is a wasteful number, since it uses less digits than its factorization.

11102020210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12933 (or 12882 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11102020210120 its reverse (2101202020111), we get a palindrome (13203222230231).

The spelling of 11102020210120 in words is "eleven trillion, one hundred two billion, twenty million, two hundred ten thousand, one hundred twenty".