212122223332011 has 6 divisors (see below), whose sum is σ = 306398767035140. Its totient is φ = 141414815554668.

The previous prime is 212122223332009. The next prime is 212122223332021. The reversal of 212122223332011 is 110233322221212.

212122223332011 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 222 + 233 + 3 + 201 + 1 = 666.

It is not a de Polignac number, because 212122223332011 - 2¹ = 212122223332009 is a prime.

It is a super-2 number, since 2×212122223332011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212122223332021) 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 5 ways as a sum of consecutive naturals, for example, 11784567962881 + ... + 11784567962898.

Almost surely, 2^{212122223332011} is an apocalyptic number.

212122223332011 is a deficient number, since it is larger than the sum of its proper divisors (94276543703129).

212122223332011 is a wasteful number, since it uses less digits than its factorization.

212122223332011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23569135925785 (or 23569135925782 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 212122223332011 its reverse (110233322221212), we get a palindrome (322355545553223).

The spelling of 212122223332011 in words is "two hundred twelve trillion, one hundred twenty-two billion, two hundred twenty-three million, three hundred thirty-two thousand, eleven".