11331222201222 has 48 divisors (see below), whose sum is σ = 28759020363072. Its totient is φ = 2943174596880.

The previous prime is 11331222201139. The next prime is 11331222201289. The reversal of 11331222201222 is 22210222213311.

It is a junction number, because it is equal to n+sod(n) for n = 11331222201192 and 11331222201201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1751886408 + ... + 1751892875.

It is an arithmetic number, because the mean of its divisors is an integer number (599146257564).

Almost surely, 2^{11331222201222} is an apocalyptic number.

11331222201222 is an abundant number, since it is smaller than the sum of its proper divisors (17427798161850).

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

11331222201222 is a wasteful number, since it uses less digits than its factorization.

11331222201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503779313 (or 3503779306 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11331222201222 its reverse (22210222213311), we get a palindrome (33541444414533).

The spelling of 11331222201222 in words is "eleven trillion, three hundred thirty-one billion, two hundred twenty-two million, two hundred one thousand, two hundred twenty-two".