10021021111001 has 8 divisors (see below), whose sum is σ = 10028025504000. Its totient is φ = 10014017146672.

The previous prime is 10021021110959. The next prime is 10021021111043. The reversal of 10021021111001 is 10011112012001.

It is an interprime number because it is at equal distance from previous prime (10021021110959) and next prime (10021021111043).

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-10021021111001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021024111001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57328931 + ... + 57503463.

It is an arithmetic number, because the mean of its divisors is an integer number (1253503188000).

Almost surely, 2^{10021021111001} is an apocalyptic number.

It is an amenable number.

10021021111001 is a deficient number, since it is larger than the sum of its proper divisors (7004392999).

10021021111001 is a wasteful number, since it uses less digits than its factorization.

10021021111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214335.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10021021111001 its reverse (10011112012001), we get a palindrome (20032133123002).

The spelling of 10021021111001 in words is "ten trillion, twenty-one billion, twenty-one million, one hundred eleven thousand, one".