10021002221200 has 60 divisors (see below), whose sum is σ = 24131317782528. Its totient is φ = 3999100585600.

The previous prime is 10021002221189. The next prime is 10021002221201. The reversal of 10021002221200 is 212220012001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10021002221201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28890832 + ... + 29235631.

Almost surely, 2^{10021002221200} is an apocalyptic number.

10021002221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021002221200 is an abundant number, since it is smaller than the sum of its proper divisors (14110315561328).

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

10021002221200 is a wasteful number, since it uses less digits than its factorization.

10021002221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58126912 (or 58126901 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10021002221200 its reverse (212220012001), we get a palindrome (10233222233201).

The spelling of 10021002221200 in words is "ten trillion, twenty-one billion, two million, two hundred twenty-one thousand, two hundred".