1002021110011 has 4 divisors (see below), whose sum is σ = 1002025180512. Its totient is φ = 1002017039512.

The previous prime is 1002021109993. The next prime is 1002021110047. The reversal of 1002021110011 is 1100111202001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002021110011 - 2¹¹ = 1002021107963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002021110011.

It is not an unprimeable number, because it can be changed into a prime (1002021110071) 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, 1640476 + ... + 2166841.

It is an arithmetic number, because the mean of its divisors is an integer number (250506295128).

Almost surely, 2^{1002021110011} is an apocalyptic number.

1002021110011 is a deficient number, since it is larger than the sum of its proper divisors (4070501).

1002021110011 is an equidigital number, since it uses as much as digits as its factorization.

1002021110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070500.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1002021110011 its reverse (1100111202001), we get a palindrome (2102132312012).

The spelling of 1002021110011 in words is "one trillion, two billion, twenty-one million, one hundred ten thousand, eleven".