11211101201222 has 16 divisors (see below), whose sum is σ = 18119300136000. Its totient is φ = 5171765905152.

The previous prime is 11211101201213. The next prime is 11211101201227. The reversal of 11211101201222 is 22210210111211.

It is a self number, because there is not a number n which added to its sum of digits gives 11211101201222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211101201227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107801003 + ... + 107904950.

It is an arithmetic number, because the mean of its divisors is an integer number (1132456258500).

Almost surely, 2^{11211101201222} is an apocalyptic number.

11211101201222 is a deficient number, since it is larger than the sum of its proper divisors (6908198934778).

11211101201222 is a wasteful number, since it uses less digits than its factorization.

11211101201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215707967.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11211101201222 its reverse (22210210111211), we get a palindrome (33421311312433).

The spelling of 11211101201222 in words is "eleven trillion, two hundred eleven billion, one hundred one million, two hundred one thousand, two hundred twenty-two".