11001021201222 has 32 divisors (see below), whose sum is σ = 24245542261248. Its totient is φ = 3306210306336.

The previous prime is 11001021201217. The next prime is 11001021201307. The reversal of 11001021201222 is 22210212010011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1639981918 + ... + 1639988625.

It is an arithmetic number, because the mean of its divisors is an integer number (757673195664).

Almost surely, 2^{11001021201222} is an apocalyptic number.

11001021201222 is an abundant number, since it is smaller than the sum of its proper divisors (13244521060026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11001021201222 is a wasteful number, since it uses less digits than its factorization.

11001021201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279970604.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11001021201222 its reverse (22210212010011), we get a palindrome (33211233211233).

The spelling of 11001021201222 in words is "eleven trillion, one billion, twenty-one million, two hundred one thousand, two hundred twenty-two".