210222222011 has 4 divisors (see below), whose sum is σ = 210224066712. Its totient is φ = 210220377312.

The previous prime is 210222221977. The next prime is 210222222043. The reversal of 210222222011 is 110222222012.

It is a happy number.

210222222011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210222222011 - 2³⁰ = 209148480187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210222222061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739301 + ... + 983366.

It is an arithmetic number, because the mean of its divisors is an integer number (52556016678).

Almost surely, 2^210222222011 is an apocalyptic number.

210222222011 is a deficient number, since it is larger than the sum of its proper divisors (1844701).

210222222011 is a wasteful number, since it uses less digits than its factorization.

210222222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844700.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210222222011 its reverse (110222222012), we get a palindrome (320444444023).

Subtracting from 210222222011 its reverse (110222222012), we obtain a palindrome (99999999999).

The spelling of 210222222011 in words is "two hundred ten billion, two hundred twenty-two million, two hundred twenty-two thousand, eleven".