10221032130121 has 4 divisors (see below), whose sum is σ = 10221065944852. Its totient is φ = 10220998315392.

The previous prime is 10221032130083. The next prime is 10221032130209. The reversal of 10221032130121 is 12103123012201.

10221032130121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1217215725625 + 9003816404496 = 1103275^2 + 3000636^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221032130121 - 2⁷ = 10221032129993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221032136121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16449840 + ... + 17059873.

It is an arithmetic number, because the mean of its divisors is an integer number (2555266486213).

Almost surely, 2^{10221032130121} is an apocalyptic number.

It is an amenable number.

10221032130121 is a deficient number, since it is larger than the sum of its proper divisors (33814731).

10221032130121 is an equidigital number, since it uses as much as digits as its factorization.

10221032130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33814730.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10221032130121 its reverse (12103123012201), we get a palindrome (22324155142322).

The spelling of 10221032130121 in words is "ten trillion, two hundred twenty-one billion, thirty-two million, one hundred thirty thousand, one hundred twenty-one".