212220011011011 has 32 divisors (see below), whose sum is σ = 297741357523968. Its totient is φ = 134334046736640.

The previous prime is 212220011010929. The next prime is 212220011011033. The reversal of 212220011011011 is 110110110022212.

It is a happy number.

It is not a de Polignac number, because 212220011011011 - 2¹¹ = 212220011008963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212220011010011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168371281 + ... + 169627026.

It is an arithmetic number, because the mean of its divisors is an integer number (9304417422624).

Almost surely, 2^{212220011011011} is an apocalyptic number.

212220011011011 is a deficient number, since it is larger than the sum of its proper divisors (85521346512957).

212220011011011 is a wasteful number, since it uses less digits than its factorization.

212220011011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337998491.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212220011011011 its reverse (110110110022212), we get a palindrome (322330121033223).

The spelling of 212220011011011 in words is "two hundred twelve trillion, two hundred twenty billion, eleven million, eleven thousand, eleven".