10210121100221 has 8 divisors (see below), whose sum is σ = 11733177840384. Its totient is φ = 8703181362960.

The previous prime is 10210121100217. The next prime is 10210121100247. The reversal of 10210121100221 is 12200112101201.

10210121100221 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 not a de Polignac number, because 10210121100221 - 2² = 10210121100217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10210121100196 and 10210121100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210121105221) 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, 4029249365 + ... + 4029251898.

It is an arithmetic number, because the mean of its divisors is an integer number (1466647230048).

Almost surely, 2^{10210121100221} is an apocalyptic number.

It is an amenable number.

10210121100221 is a deficient number, since it is larger than the sum of its proper divisors (1523056740163).

10210121100221 is an equidigital number, since it uses as much as digits as its factorization.

10210121100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8058501451.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10210121100221 its reverse (12200112101201), we get a palindrome (22410233201422).

The spelling of 10210121100221 in words is "ten trillion, two hundred ten billion, one hundred twenty-one million, one hundred thousand, two hundred twenty-one".