20022105213121 has 8 divisors (see below), whose sum is σ = 22432628937024. Its totient is φ = 17709970212720.

The previous prime is 20022105213109. The next prime is 20022105213151. The reversal of 20022105213121 is 12131250122002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20022105213121 - 2³⁹ = 19472349399233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20022105213092 and 20022105213101.

It is not an unprimeable number, because it can be changed into a prime (20022105213101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24597180445 + ... + 24597181258.

It is an arithmetic number, because the mean of its divisors is an integer number (2804078617128).

Almost surely, 2^{20022105213121} is an apocalyptic number.

It is an amenable number.

20022105213121 is a deficient number, since it is larger than the sum of its proper divisors (2410523723903).

20022105213121 is a wasteful number, since it uses less digits than its factorization.

20022105213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49194361751.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 20022105213121 its reverse (12131250122002), we get a palindrome (32153355335123).

The spelling of 20022105213121 in words is "twenty trillion, twenty-two billion, one hundred five million, two hundred thirteen thousand, one hundred twenty-one".