10210021100221 has 8 divisors (see below), whose sum is σ = 10261732438584. Its totient is φ = 10158387002880.

The previous prime is 10210021100197. The next prime is 10210021100281. The reversal of 10210021100221 is 12200112001201.

10210021100221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2139450334596 + 8070570765625 = 1462686^2 + 2840875^2 .

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 10210021100221 - 2⁵ = 10210021100189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210021100281) 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, 19045210 + ... + 19573963.

It is an arithmetic number, because the mean of its divisors is an integer number (1282716554823).

Almost surely, 2^{10210021100221} is an apocalyptic number.

It is an amenable number.

10210021100221 is a deficient number, since it is larger than the sum of its proper divisors (51711338363).

10210021100221 is a wasteful number, since it uses less digits than its factorization.

10210021100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38620511.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10210021100221 its reverse (12200112001201), we get a palindrome (22410133101422).

The spelling of 10210021100221 in words is "ten trillion, two hundred ten billion, twenty-one million, one hundred thousand, two hundred twenty-one".