20001100201211 has 8 divisors (see below), whose sum is σ = 20073367707744. Its totient is φ = 19928840420160.

The previous prime is 20001100201207. The next prime is 20001100201219. The reversal of 20001100201211 is 11210200110002.

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 20001100201211 - 2² = 20001100201207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20001100201192 and 20001100201201.

It is not an unprimeable number, because it can be changed into a prime (20001100201219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3281306 + ... + 7125248.

It is an arithmetic number, because the mean of its divisors is an integer number (2509170963468).

Almost surely, 2^{20001100201211} is an apocalyptic number.

20001100201211 is a deficient number, since it is larger than the sum of its proper divisors (72267506533).

20001100201211 is a wasteful number, since it uses less digits than its factorization.

20001100201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862741.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20001100201211 its reverse (11210200110002), we get a palindrome (31211300311213).

The spelling of 20001100201211 in words is "twenty trillion, one billion, one hundred million, two hundred one thousand, two hundred eleven".