20021100011122 has 24 divisors (see below), whose sum is σ = 34958853143280. Its totient is φ = 8574557884200.

The previous prime is 20021100011089. The next prime is 20021100011173. The reversal of 20021100011122 is 22111000112002.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 70256472 + ... + 70540867.

It is an arithmetic number, because the mean of its divisors is an integer number (1456618880970).

Almost surely, 2^{20021100011122} is an apocalyptic number.

20021100011122 is a deficient number, since it is larger than the sum of its proper divisors (14937753132158).

20021100011122 is a wasteful number, since it uses less digits than its factorization.

20021100011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140798806 (or 140798799 counting only the distinct ones).

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

Adding to 20021100011122 its reverse (22111000112002), we get a palindrome (42132100123124).

The spelling of 20021100011122 in words is "twenty trillion, twenty-one billion, one hundred million, eleven thousand, one hundred twenty-two".