20000211201211 has 16 divisors (see below), whose sum is σ = 20623306982400. Its totient is φ = 19386729165888.

The previous prime is 20000211201209. The next prime is 20000211201247. The reversal of 20000211201211 is 11210211200002.

It is a cyclic number.

It is not a de Polignac number, because 20000211201211 - 2¹ = 20000211201209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000211201191 and 20000211201200.

It is not an unprimeable number, because it can be changed into a prime (20000211201011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15608110 + ... + 16840828.

It is an arithmetic number, because the mean of its divisors is an integer number (1288956686400).

Almost surely, 2^{20000211201211} is an apocalyptic number.

20000211201211 is a deficient number, since it is larger than the sum of its proper divisors (623095781189).

20000211201211 is a wasteful number, since it uses less digits than its factorization.

20000211201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236618.

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

Adding to 20000211201211 its reverse (11210211200002), we get a palindrome (31210422401213).

The spelling of 20000211201211 in words is "twenty trillion, two hundred eleven million, two hundred one thousand, two hundred eleven".