2101222211110 has 64 divisors (see below), whose sum is σ = 4345988774400. Its totient is φ = 723400588800.

The previous prime is 2101222211089. The next prime is 2101222211111. The reversal of 2101222211110 is 111122221012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101222211111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2935870 + ... + 3580750.

It is an arithmetic number, because the mean of its divisors is an integer number (67906074600).

Almost surely, 2^{2101222211110} is an apocalyptic number.

2101222211110 is an abundant number, since it is smaller than the sum of its proper divisors (2244766563290).

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

2101222211110 is a wasteful number, since it uses less digits than its factorization.

2101222211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646477.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2101222211110 its reverse (111122221012), we get a palindrome (2212344432122).

The spelling of 2101222211110 in words is "two trillion, one hundred one billion, two hundred twenty-two million, two hundred eleven thousand, one hundred ten".