10021221221120 has 36 divisors (see below), whose sum is σ = 24003956459280. Its totient is φ = 4008488487936.

The previous prime is 10021221221071. The next prime is 10021221221149. The reversal of 10021221221120 is 2112212212001.

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 3 ways as a sum of consecutive naturals, for example, 3914538260 + ... + 3914540819.

Almost surely, 2^{10021221221120} is an apocalyptic number.

10021221221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021221221120 is an abundant number, since it is smaller than the sum of its proper divisors (13982735238160).

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

10021221221120 is an frugal number, since it uses more digits than its factorization.

10021221221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7829079100 (or 7829079086 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10021221221120 its reverse (2112212212001), we get a palindrome (12133433433121).

The spelling of 10021221221120 in words is "ten trillion, twenty-one billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty".