20022032202121 has 4 divisors (see below), whose sum is σ = 20304032655744. Its totient is φ = 19740031748500.

The previous prime is 20022032202119. The next prime is 20022032202229. The reversal of 20022032202121 is 12120223022002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20022032202121 - 2¹ = 20022032202119 is a prime.

It is a super-3 number, since 3×20022032202121³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022032208121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141000226705 + ... + 141000226846.

It is an arithmetic number, because the mean of its divisors is an integer number (5076008163936).

Almost surely, 2^{20022032202121} is an apocalyptic number.

It is an amenable number.

20022032202121 is a deficient number, since it is larger than the sum of its proper divisors (282000453623).

20022032202121 is an equidigital number, since it uses as much as digits as its factorization.

20022032202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282000453622.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20022032202121 its reverse (12120223022002), we get a palindrome (32142255224123).

The spelling of 20022032202121 in words is "twenty trillion, twenty-two billion, thirty-two million, two hundred two thousand, one hundred twenty-one".