212022021211 has 32 divisors (see below), whose sum is σ = 284716067328. Its totient is φ = 152480240640.

The previous prime is 212022021199. The next prime is 212022021313. The reversal of 212022021211 is 112120220212.

It is a happy number.

It is not a de Polignac number, because 212022021211 - 2¹⁷ = 212021890139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212022024211) 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, 9280875 + ... + 9303691.

It is an arithmetic number, because the mean of its divisors is an integer number (8897377104).

Almost surely, 2^212022021211 is an apocalyptic number.

212022021211 is a deficient number, since it is larger than the sum of its proper divisors (72694046117).

212022021211 is a wasteful number, since it uses less digits than its factorization.

212022021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32131.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212022021211 its reverse (112120220212), we get a palindrome (324142241423).

It can be divided in two parts, 2120220212 and 11, that multiplied together give a palindrome (23322422332).

The spelling of 212022021211 in words is "two hundred twelve billion, twenty-two million, twenty-one thousand, two hundred eleven".