2211102102222 has 96 divisors (see below), whose sum is σ = 5231092085856. Its totient is φ = 670917600000.

The previous prime is 2211102102199. The next prime is 2211102102239. The reversal of 2211102102222 is 2222012011122.

It is a happy number.

2211102102222 is a `hidden beast` number, since 221 + 1 + 10 + 210 + 2 + 222 = 666.

2211102102222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2211102102195 and 2211102102204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5745768 + ... + 6118500.

It is an arithmetic number, because the mean of its divisors is an integer number (54490542561).

Almost surely, 2^{2211102102222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211102102222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2615546042928).

2211102102222 is an abundant number, since it is smaller than the sum of its proper divisors (3019989983634).

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

2211102102222 is a wasteful number, since it uses less digits than its factorization.

2211102102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373106 (or 373103 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2211102102222 its reverse (2222012011122), we get a palindrome (4433114113344).

The spelling of 2211102102222 in words is "two trillion, two hundred eleven billion, one hundred two million, one hundred two thousand, two hundred twenty-two".