11001200121222 has 32 divisors (see below), whose sum is σ = 23376268677600. Its totient is φ = 3444923801088.

The previous prime is 11001200121161. The next prime is 11001200121239. The reversal of 11001200121222 is 22212100210011.

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, 854389347 + ... + 854402222.

It is an arithmetic number, because the mean of its divisors is an integer number (730508396175).

Almost surely, 2^{11001200121222} is an apocalyptic number.

11001200121222 is an abundant number, since it is smaller than the sum of its proper divisors (12375068556378).

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

11001200121222 is a wasteful number, since it uses less digits than its factorization.

11001200121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708791640.

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

Adding to 11001200121222 its reverse (22212100210011), we get a palindrome (33213300331233).

The spelling of 11001200121222 in words is "eleven trillion, one billion, two hundred million, one hundred twenty-one thousand, two hundred twenty-two".