10021321130101 has 4 divisors (see below), whose sum is σ = 10050201018432. Its totient is φ = 9992441241772.

The previous prime is 10021321130089. The next prime is 10021321130137. The reversal of 10021321130101 is 10103112312001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10021321130101 - 2⁴³ = 1225228107893 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 (10021321130141) 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, 14439943645 + ... + 14439944338.

It is an arithmetic number, because the mean of its divisors is an integer number (2512550254608).

Almost surely, 2^{10021321130101} is an apocalyptic number.

It is an amenable number.

10021321130101 is a deficient number, since it is larger than the sum of its proper divisors (28879888331).

10021321130101 is an equidigital number, since it uses as much as digits as its factorization.

10021321130101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28879888330.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10021321130101 its reverse (10103112312001), we get a palindrome (20124433442102).

The spelling of 10021321130101 in words is "ten trillion, twenty-one billion, three hundred twenty-one million, one hundred thirty thousand, one hundred one".