10130121030021 has 32 divisors (see below), whose sum is σ = 13774773893760. Its totient is φ = 6619687087104.

The previous prime is 10130121030019. The next prime is 10130121030097. The reversal of 10130121030021 is 12003012103101.

It is a happy number.

10130121030021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10130121030021 - 2¹ = 10130121030019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10130121030011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 873807801 + ... + 873819393.

It is an arithmetic number, because the mean of its divisors is an integer number (430461684180).

Almost surely, 2^{10130121030021} is an apocalyptic number.

It is an amenable number.

10130121030021 is a deficient number, since it is larger than the sum of its proper divisors (3644652863739).

10130121030021 is a wasteful number, since it uses less digits than its factorization.

10130121030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16405.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10130121030021 its reverse (12003012103101), we get a palindrome (22133133133122).

The spelling of 10130121030021 in words is "ten trillion, one hundred thirty billion, one hundred twenty-one million, thirty thousand, twenty-one".