21320103101120 has 112 divisors (see below), whose sum is σ = 51634858579200. Its totient is φ = 8382543375360.

The previous prime is 21320103101111. The next prime is 21320103101153. The reversal of 21320103101120 is 2110130102312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178903955 + ... + 179023085.

Almost surely, 2^{21320103101120} is an apocalyptic number.

21320103101120 is a gapful number since it is divisible by the number (20) 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 21320103101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25817429289600).

21320103101120 is an abundant number, since it is smaller than the sum of its proper divisors (30314755478080).

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

21320103101120 is a wasteful number, since it uses less digits than its factorization.

21320103101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128686 (or 128676 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21320103101120 its reverse (2110130102312), we get a palindrome (23430233203432).

The spelling of 21320103101120 in words is "twenty-one trillion, three hundred twenty billion, one hundred three million, one hundred one thousand, one hundred twenty".