20212210211 has 16 divisors (see below), whose sum is σ = 21047786496. Its totient is φ = 19388460000.

The previous prime is 20212210201. The next prime is 20212210223. The reversal of 20212210211 is 11201221202.

It is a cyclic number.

It is not a de Polignac number, because 20212210211 - 2¹⁸ = 20211948067 is a prime.

It is a super-2 number, since 2×20212210211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212210201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4306376 + ... + 4311066.

It is an arithmetic number, because the mean of its divisors is an integer number (1315486656).

Almost surely, 2^20212210211 is an apocalyptic number.

20212210211 is a deficient number, since it is larger than the sum of its proper divisors (835576285).

20212210211 is a wasteful number, since it uses less digits than its factorization.

20212210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5914.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20212210211 its reverse (11201221202), we get a palindrome (31413431413).

The spelling of 20212210211 in words is "twenty billion, two hundred twelve million, two hundred ten thousand, two hundred eleven".