20021022010011 has 32 divisors (see below), whose sum is σ = 29438811876096. Its totient is φ = 12001879296000.

The previous prime is 20021022009997. The next prime is 20021022010027. The reversal of 20021022010011 is 11001022012002.

It is not a de Polignac number, because 20021022010011 - 2²⁵ = 20020988455579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20021022010061) 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 31 ways as a sum of consecutive naturals, for example, 3691776 + ... + 7326066.

It is an arithmetic number, because the mean of its divisors is an integer number (919962871128).

Almost surely, 2^{20021022010011} is an apocalyptic number.

20021022010011 is a deficient number, since it is larger than the sum of its proper divisors (9417789866085).

20021022010011 is a wasteful number, since it uses less digits than its factorization.

20021022010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636123.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20021022010011 its reverse (11001022012002), we get a palindrome (31022044022013).

The spelling of 20021022010011 in words is "twenty trillion, twenty-one billion, twenty-two million, ten thousand, eleven".