212102221001011 has 16 divisors (see below), whose sum is σ = 233550358414848. Its totient is φ = 191015159436000.

The previous prime is 212102221000931. The next prime is 212102221001023. The reversal of 212102221001011 is 110100122201212.

It is a cyclic number.

It is not a de Polignac number, because 212102221001011 - 2¹¹ = 212102220998963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212102221008011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75778981 + ... + 78528073.

It is an arithmetic number, because the mean of its divisors is an integer number (14596897400928).

Almost surely, 2^{212102221001011} is an apocalyptic number.

212102221001011 is a deficient number, since it is larger than the sum of its proper divisors (21448137413837).

212102221001011 is a wasteful number, since it uses less digits than its factorization.

212102221001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814762.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212102221001011 its reverse (110100122201212), we get a palindrome (322202343202223).

The spelling of 212102221001011 in words is "two hundred twelve trillion, one hundred two billion, two hundred twenty-one million, one thousand, eleven".