2211102221202 has 96 divisors (see below), whose sum is σ = 5579184199680. Its totient is φ = 619738254720.

The previous prime is 2211102221173. The next prime is 2211102221203. The reversal of 2211102221202 is 2021222011122.

It is a happy number.

2211102221202 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 not an unprimeable number, because it can be changed into a prime (2211102221203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60277327 + ... + 60313997.

It is an arithmetic number, because the mean of its divisors is an integer number (58116502080).

Almost surely, 2^{2211102221202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211102221202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2789592099840).

2211102221202 is an abundant number, since it is smaller than the sum of its proper divisors (3368081978478).

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

2211102221202 is a wasteful number, since it uses less digits than its factorization.

2211102221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45768 (or 45765 counting only the distinct ones).

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

Adding to 2211102221202 its reverse (2021222011122), we get a palindrome (4232324232324).

The spelling of 2211102221202 in words is "two trillion, two hundred eleven billion, one hundred two million, two hundred twenty-one thousand, two hundred two".