20011000202211 has 16 divisors (see below), whose sum is σ = 27522112119200. Its totient is φ = 12923426527488.

The previous prime is 20011000202209. The next prime is 20011000202243. The reversal of 20011000202211 is 11220200011002.

It is not a de Polignac number, because 20011000202211 - 2¹ = 20011000202209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20011000212211) 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, 393597466 + ... + 393648303.

It is an arithmetic number, because the mean of its divisors is an integer number (1720132007450).

Almost surely, 2^{20011000202211} is an apocalyptic number.

20011000202211 is a deficient number, since it is larger than the sum of its proper divisors (7511111916989).

20011000202211 is a wasteful number, since it uses less digits than its factorization.

20011000202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787246038.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20011000202211 its reverse (11220200011002), we get a palindrome (31231200213213).

The spelling of 20011000202211 in words is "twenty trillion, eleven billion, two hundred two thousand, two hundred eleven".