20002122303211 has 4 divisors (see below), whose sum is σ = 20002518741424. Its totient is φ = 20001725865000.

The previous prime is 20002122303187. The next prime is 20002122303253. The reversal of 20002122303211 is 11230322120002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20002122303211 - 2⁷ = 20002122303083 is a prime.

It is a super-2 number, since 2×20002122303211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002122300211) 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, 198143415 + ... + 198244336.

It is an arithmetic number, because the mean of its divisors is an integer number (5000629685356).

Almost surely, 2^{20002122303211} is an apocalyptic number.

20002122303211 is a deficient number, since it is larger than the sum of its proper divisors (396438213).

20002122303211 is an equidigital number, since it uses as much as digits as its factorization.

20002122303211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396438212.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20002122303211 its reverse (11230322120002), we get a palindrome (31232444423213).

The spelling of 20002122303211 in words is "twenty trillion, two billion, one hundred twenty-two million, three hundred three thousand, two hundred eleven".