20022121121103 has 12 divisors (see below), whose sum is σ = 28939512292600. Its totient is φ = 13339463513616.

The previous prime is 20022121121083. The next prime is 20022121121131. The reversal of 20022121121103 is 30112112122002.

20022121121103 is a `hidden beast` number, since 20 + 0 + 221 + 211 + 211 + 0 + 3 = 666.

It is not a de Polignac number, because 20022121121103 - 2⁵ = 20022121121071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022121121153) 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 11 ways as a sum of consecutive naturals, for example, 718088101 + ... + 718115982.

Almost surely, 2^{20022121121103} is an apocalyptic number.

20022121121103 is a deficient number, since it is larger than the sum of its proper divisors (8917391171497).

20022121121103 is a wasteful number, since it uses less digits than its factorization.

20022121121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436205638 (or 1436205635 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20022121121103 its reverse (30112112122002), we get a palindrome (50134233243105).

The spelling of 20022121121103 in words is "twenty trillion, twenty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred three".