212020202221011 has 24 divisors (see below), whose sum is σ = 315093151502064. Its totient is φ = 137279711580480.

The previous prime is 212020202221007. The next prime is 212020202221111. The reversal of 212020202221011 is 110122202020212.

It is a happy number.

212020202221011 is a `hidden beast` number, since 212 + 0 + 20 + 202 + 221 + 0 + 11 = 666.

It is not a de Polignac number, because 212020202221011 - 2² = 212020202221007 is a prime.

It is a super-2 number, since 2×212020202221011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212020202221001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 571356085 + ... + 571727046.

It is an arithmetic number, because the mean of its divisors is an integer number (13128881312586).

Almost surely, 2^{212020202221011} is an apocalyptic number.

212020202221011 is a deficient number, since it is larger than the sum of its proper divisors (103072949281053).

212020202221011 is a wasteful number, since it uses less digits than its factorization.

212020202221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143083731 (or 1143083728 counting only the distinct ones).

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

Adding to 212020202221011 its reverse (110122202020212), we get a palindrome (322142404241223).

The spelling of 212020202221011 in words is "two hundred twelve trillion, twenty billion, two hundred two million, two hundred twenty-one thousand, eleven".