2211211100202 has 64 divisors (see below), whose sum is σ = 4835715655680. Its totient is φ = 670002588864.

The previous prime is 2211211100143. The next prime is 2211211100243. The reversal of 2211211100202 is 2020011121122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669283 + ... + 2206889.

It is an arithmetic number, because the mean of its divisors is an integer number (75558057120).

Almost surely, 2^{2211211100202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211211100202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2417857827840).

2211211100202 is an abundant number, since it is smaller than the sum of its proper divisors (2624504555478).

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

2211211100202 is a wasteful number, since it uses less digits than its factorization.

2211211100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537907.

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

Adding to 2211211100202 its reverse (2020011121122), we get a palindrome (4231222221324).

The spelling of 2211211100202 in words is "two trillion, two hundred eleven billion, two hundred eleven million, one hundred thousand, two hundred two".