211332222012011 has 4 divisors (see below), whose sum is σ = 211884003270912. Its totient is φ = 210780440753112.

The previous prime is 211332222012001. The next prime is 211332222012019. The reversal of 211332222012011 is 110210222233112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211332222012011 - 2⁴² = 206934175500907 is a prime.

It is a super-3 number, since 3×211332222012011³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211332222012019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275890628876 + ... + 275890629641.

It is an arithmetic number, because the mean of its divisors is an integer number (52971000817728).

Almost surely, 2^{211332222012011} is an apocalyptic number.

211332222012011 is a deficient number, since it is larger than the sum of its proper divisors (551781258901).

211332222012011 is an equidigital number, since it uses as much as digits as its factorization.

211332222012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551781258900.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 211332222012011 its reverse (110210222233112), we get a palindrome (321542444245123).

The spelling of 211332222012011 in words is "two hundred eleven trillion, three hundred thirty-two billion, two hundred twenty-two million, twelve thousand, eleven".