20021022100011 has 32 divisors (see below), whose sum is σ = 27816348672000. Its totient is φ = 12795135949440.

The previous prime is 20021022100003. The next prime is 20021022100061. The reversal of 20021022100011 is 11000122012002.

It is not a de Polignac number, because 20021022100011 - 2³ = 20021022100003 is a prime.

It is a super-3 number, since 3×20021022100011³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20021022100011.

It is not an unprimeable number, because it can be changed into a prime (20021022100061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3117085 + ... + 7053953.

It is an arithmetic number, because the mean of its divisors is an integer number (869260896000).

Almost surely, 2^{20021022100011} is an apocalyptic number.

20021022100011 is a deficient number, since it is larger than the sum of its proper divisors (7795326571989).

20021022100011 is a wasteful number, since it uses less digits than its factorization.

20021022100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937419.

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

Adding to 20021022100011 its reverse (11000122012002), we get a palindrome (31021144112013).

The spelling of 20021022100011 in words is "twenty trillion, twenty-one billion, twenty-two million, one hundred thousand, eleven".