211011222210 has 32 divisors (see below), whose sum is σ = 506462803200. Its totient is φ = 56265673728.

The previous prime is 211011222203. The next prime is 211011222211. The reversal of 211011222210 is 12222110112.

211011222210 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211011222210.

It is not an unprimeable number, because it can be changed into a prime (211011222211) 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 15 ways as a sum of consecutive naturals, for example, 194466 + ... + 678114.

It is an arithmetic number, because the mean of its divisors is an integer number (15826962600).

Almost surely, 2^211011222210 is an apocalyptic number.

211011222210 is an abundant number, since it is smaller than the sum of its proper divisors (295451580990).

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

211011222210 is a wasteful number, since it uses less digits than its factorization.

211011222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498202.

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

Adding to 211011222210 its reverse (12222110112), we get a palindrome (223233332322).

The spelling of 211011222210 in words is "two hundred eleven billion, eleven million, two hundred twenty-two thousand, two hundred ten".