10221001220000 has 240 divisors, whose sum is σ = 25346652274944. Its totient is φ = 4055760000000.

The previous prime is 10221001219973. The next prime is 10221001220021. The reversal of 10221001220000 is 2210012201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1560216725 + ... + 1560223275.

Almost surely, 2^{10221001220000} is an apocalyptic number.

10221001220000 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 10221001220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12673326137472).

10221001220000 is an abundant number, since it is smaller than the sum of its proper divisors (15125651054944).

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

10221001220000 is an equidigital number, since it uses as much as digits as its factorization.

10221001220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7193 (or 7170 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10221001220000 its reverse (2210012201), we get a palindrome (10223211232201).

The spelling of 10221001220000 in words is "ten trillion, two hundred twenty-one billion, one million, two hundred twenty thousand".