11111101002222 has 16 divisors (see below), whose sum is σ = 23931602158800. Its totient is φ = 3418800308352.

The previous prime is 11111101002167. The next prime is 11111101002247. The reversal of 11111101002222 is 22220010111111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71225006347 + ... + 71225006502.

It is an arithmetic number, because the mean of its divisors is an integer number (1495725134925).

Almost surely, 2^{11111101002222} is an apocalyptic number.

11111101002222 is an abundant number, since it is smaller than the sum of its proper divisors (12820501156578).

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

11111101002222 is a wasteful number, since it uses less digits than its factorization.

11111101002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142450012867.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11111101002222 its reverse (22220010111111), we get a palindrome (33331111113333).

The spelling of 11111101002222 in words is "eleven trillion, one hundred eleven billion, one hundred one million, two thousand, two hundred twenty-two".