10020321111001 has 4 divisors (see below), whose sum is σ = 10343557275904. Its totient is φ = 9697084946100.

The previous prime is 10020321110999. The next prime is 10020321111029. The reversal of 10020321111001 is 10011112302001.

It is a happy number.

10020321111001 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, 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 10020321111001 - 2¹ = 10020321110999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020321111041) 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, 161618082405 + ... + 161618082466.

It is an arithmetic number, because the mean of its divisors is an integer number (2585889318976).

Almost surely, 2^{10020321111001} is an apocalyptic number.

It is an amenable number.

10020321111001 is a deficient number, since it is larger than the sum of its proper divisors (323236164903).

10020321111001 is an equidigital number, since it uses as much as digits as its factorization.

10020321111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323236164902.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10020321111001 its reverse (10011112302001), we get a palindrome (20031433413002).

The spelling of 10020321111001 in words is "ten trillion, twenty billion, three hundred twenty-one million, one hundred eleven thousand, one".