2103221000000 has 196 divisors, whose sum is σ = 5227253090304. Its totient is φ = 839620800000.

The previous prime is 2103220999987. The next prime is 2103221000029. The reversal of 2103221000000 is 1223012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 586998209 + ... + 587001791.

It is an arithmetic number, because the mean of its divisors is an integer number (26669658624).

Almost surely, 2^{2103221000000} is an apocalyptic number.

2103221000000 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 2103221000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2613626545152).

2103221000000 is an abundant number, since it is smaller than the sum of its proper divisors (3124032090304).

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

2103221000000 is an frugal number, since it uses more digits than its factorization.

2103221000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212 (or 4177 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 2103221000000 its reverse (1223012), we get a palindrome (2103222223012).

The spelling of 2103221000000 in words is "two trillion, one hundred three billion, two hundred twenty-one million", and thus it is an aban number.