10021022021011 has 4 divisors (see below), whose sum is σ = 10022174798832. Its totient is φ = 10019869243192.

The previous prime is 10021022020993. The next prime is 10021022021033. The reversal of 10021022021011 is 11012022012001.

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 10021022021011 - 2¹¹ = 10021022018963 is a prime.

It is a super-4 number, since 4×10021022021011⁴ (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021022020982 and 10021022021000.

It is not an unprimeable number, because it can be changed into a prime (10021022021051) 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 3 ways as a sum of consecutive naturals, for example, 576375871 + ... + 576393256.

It is an arithmetic number, because the mean of its divisors is an integer number (2505543699708).

Almost surely, 2^{10021022021011} is an apocalyptic number.

10021022021011 is a deficient number, since it is larger than the sum of its proper divisors (1152777821).

10021022021011 is an equidigital number, since it uses as much as digits as its factorization.

10021022021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152777820.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10021022021011 its reverse (11012022012001), we get a palindrome (21033044033012).

The spelling of 10021022021011 in words is "ten trillion, twenty-one billion, twenty-two million, twenty-one thousand, eleven".