10021120021001 has 8 divisors (see below), whose sum is σ = 10148215399680. Its totient is φ = 9894030786432.

The previous prime is 10021120020917. The next prime is 10021120021037. The reversal of 10021120021001 is 10012002112001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021120021001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021120021501) 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, 1792121 + ... + 4822233.

It is an arithmetic number, because the mean of its divisors is an integer number (1268526924960).

Almost surely, 2^{10021120021001} is an apocalyptic number.

It is an amenable number.

10021120021001 is a deficient number, since it is larger than the sum of its proper divisors (127095378679).

10021120021001 is an equidigital number, since it uses as much as digits as its factorization.

10021120021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072055.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10021120021001 its reverse (10012002112001), we get a palindrome (20033122133002).

The spelling of 10021120021001 in words is "ten trillion, twenty-one billion, one hundred twenty million, twenty-one thousand, one".