201211020011222 has 16 divisors (see below), whose sum is σ = 325180060727760. Its totient is φ = 92824660461792.

The previous prime is 201211020011189. The next prime is 201211020011227. The reversal of 201211020011222 is 222110020112102.

It is a self number, because there is not a number n which added to its sum of digits gives 201211020011222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211020011227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1748447972 + ... + 1748563047.

It is an arithmetic number, because the mean of its divisors is an integer number (20323753795485).

Almost surely, 2^{201211020011222} is an apocalyptic number.

201211020011222 is a deficient number, since it is larger than the sum of its proper divisors (123969040716538).

201211020011222 is a wasteful number, since it uses less digits than its factorization.

201211020011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497013247.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201211020011222 its reverse (222110020112102), we get a palindrome (423321040123324).

The spelling of 201211020011222 in words is "two hundred one trillion, two hundred eleven billion, twenty million, eleven thousand, two hundred twenty-two".