212210022011 has 16 divisors (see below), whose sum is σ = 236582035200. Its totient is φ = 189023967360.

The previous prime is 212210021977. The next prime is 212210022097. The reversal of 212210022011 is 110220012212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212210022011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212210022911) 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 15 ways as a sum of consecutive naturals, for example, 613760 + ... + 895053.

It is an arithmetic number, because the mean of its divisors is an integer number (14786377200).

Almost surely, 2^212210022011 is an apocalyptic number.

212210022011 is a deficient number, since it is larger than the sum of its proper divisors (24372013189).

212210022011 is a wasteful number, since it uses less digits than its factorization.

212210022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509206.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212210022011 its reverse (110220012212), we get a palindrome (322430034223).

The spelling of 212210022011 in words is "two hundred twelve billion, two hundred ten million, twenty-two thousand, eleven".