20212020212211 has 20 divisors (see below), whose sum is σ = 30532514938200. Its totient is φ = 13323279236256.

The previous prime is 20212020212203. The next prime is 20212020212311. The reversal of 20212020212211 is 11221202021202.

It is a happy number.

20212020212211 is a `hidden beast` number, since 20 + 21 + 202 + 0 + 212 + 211 = 666.

It is not a de Polignac number, because 20212020212211 - 2³ = 20212020212203 is a prime.

It is a super-2 number, since 2×20212020212211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20212020212011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1401852981 + ... + 1401867398.

It is an arithmetic number, because the mean of its divisors is an integer number (1526625746910).

Almost surely, 2^{20212020212211} is an apocalyptic number.

20212020212211 is a deficient number, since it is larger than the sum of its proper divisors (10320494725989).

20212020212211 is an equidigital number, since it uses as much as digits as its factorization.

20212020212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803720480 (or 2803720471 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20212020212211 its reverse (11221202021202), we get a palindrome (31433222233413).

The spelling of 20212020212211 in words is "twenty trillion, two hundred twelve billion, twenty million, two hundred twelve thousand, two hundred eleven".