20002211211 has 64 divisors (see below), whose sum is σ = 29386828800. Its totient is φ = 12074185728.

The previous prime is 20002211197. The next prime is 20002211219. The reversal of 20002211211 is 11211220002.

It is not a de Polignac number, because 20002211211 - 2⁵ = 20002211179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002211219) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 206208315 + ... + 206208411.

It is an arithmetic number, because the mean of its divisors is an integer number (459169200).

Almost surely, 2^20002211211 is an apocalyptic number.

20002211211 is a deficient number, since it is larger than the sum of its proper divisors (9384617589).

20002211211 is an frugal number, since it uses more digits than its factorization.

20002211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 219 counting only the distinct ones).

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

Adding to 20002211211 its reverse (11211220002), we get a palindrome (31213431213).

The spelling of 20002211211 in words is "twenty billion, two million, two hundred eleven thousand, two hundred eleven".