211020121201222 has 16 divisors (see below), whose sum is σ = 330292736984160. Its totient is φ = 100922552577792.

The previous prime is 211020121201159. The next prime is 211020121201237. The reversal of 211020121201222 is 222102121020112.

It is a self number, because there is not a number n which added to its sum of digits gives 211020121201222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50024404 + ... + 54078472.

It is an arithmetic number, because the mean of its divisors is an integer number (20643296061510).

Almost surely, 2^{211020121201222} is an apocalyptic number.

211020121201222 is a deficient number, since it is larger than the sum of its proper divisors (119272615782938).

211020121201222 is a wasteful number, since it uses less digits than its factorization.

211020121201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185647.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211020121201222 its reverse (222102121020112), we get a palindrome (433122242221334).

The spelling of 211020121201222 in words is "two hundred eleven trillion, twenty billion, one hundred twenty-one million, two hundred one thousand, two hundred twenty-two".