20212201212211 has 24 divisors (see below), whose sum is σ = 22086809277120. Its totient is φ = 18481610112000.

The previous prime is 20212201212209. The next prime is 20212201212367. The reversal of 20212201212211 is 11221210221202.

It is not a de Polignac number, because 20212201212211 - 2¹ = 20212201212209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212201212811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 736740 + ... + 6400561.

It is an arithmetic number, because the mean of its divisors is an integer number (920283719880).

Almost surely, 2^{20212201212211} is an apocalyptic number.

20212201212211 is a deficient number, since it is larger than the sum of its proper divisors (1874608064909).

20212201212211 is a wasteful number, since it uses less digits than its factorization.

20212201212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137615 (or 7137598 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20212201212211 its reverse (11221210221202), we get a palindrome (31433411433413).

The spelling of 20212201212211 in words is "twenty trillion, two hundred twelve billion, two hundred one million, two hundred twelve thousand, two hundred eleven".