211220012000222 has 16 divisors (see below), whose sum is σ = 321307901820000. Its totient is φ = 104117521478880.

The previous prime is 211220012000219. The next prime is 211220012000269. The reversal of 211220012000222 is 222000210022112.

It is a happy number.

It is a super-3 number, since 3×211220012000222³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 211220012000222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32897897 + ... + 38790612.

It is an arithmetic number, because the mean of its divisors is an integer number (20081743863750).

Almost surely, 2^{211220012000222} is an apocalyptic number.

211220012000222 is a deficient number, since it is larger than the sum of its proper divisors (110087889819778).

211220012000222 is a wasteful number, since it uses less digits than its factorization.

211220012000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71709331.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211220012000222 its reverse (222000210022112), we get a palindrome (433220222022334).

The spelling of 211220012000222 in words is "two hundred eleven trillion, two hundred twenty billion, twelve million, two hundred twenty-two", and thus it is an aban number.