10121001110221 has 8 divisors (see below), whose sum is σ = 10812695610080. Its totient is φ = 9445207633488.

The previous prime is 10121001110173. The next prime is 10121001110251. The reversal of 10121001110221 is 12201110012101.

It is a happy number.

10121001110221 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 10121001110221 - 2¹¹ = 10121001108173 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 (10121001110251) 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, 3975254466 + ... + 3975257011.

It is an arithmetic number, because the mean of its divisors is an integer number (1351586951260).

Almost surely, 2^{10121001110221} is an apocalyptic number.

It is an amenable number.

10121001110221 is a deficient number, since it is larger than the sum of its proper divisors (691694499859).

10121001110221 is an equidigital number, since it uses as much as digits as its factorization.

10121001110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7950511563.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10121001110221 its reverse (12201110012101), we get a palindrome (22322111122322).

The spelling of 10121001110221 in words is "ten trillion, one hundred twenty-one billion, one million, one hundred ten thousand, two hundred twenty-one".