10201022021221 has 8 divisors (see below), whose sum is σ = 10531200549888. Its totient is φ = 9870913074000.

The previous prime is 10201022021209. The next prime is 10201022021231. The reversal of 10201022021221 is 12212022010201.

It is a happy number.

10201022021221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10201022021221 - 2¹¹ = 10201022019173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10201022021195 and 10201022021204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201022021231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17097325 + ... + 17683906.

It is an arithmetic number, because the mean of its divisors is an integer number (1316400068736).

Almost surely, 2^{10201022021221} is an apocalyptic number.

It is an amenable number.

10201022021221 is a deficient number, since it is larger than the sum of its proper divisors (330178528667).

10201022021221 is an equidigital number, since it uses as much as digits as its factorization.

10201022021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34790723.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10201022021221 its reverse (12212022010201), we get a palindrome (22413044031422).

The spelling of 10201022021221 in words is "ten trillion, two hundred one billion, twenty-two million, twenty-one thousand, two hundred twenty-one".