211222030210 has 16 divisors (see below), whose sum is σ = 383101944192. Its totient is φ = 83843858800.

The previous prime is 211222030177. The next prime is 211222030231. The reversal of 211222030210 is 12030222112.

It is a happy number.

It is a super-2 number, since 2×211222030210² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 80617786 + ... + 80620405.

It is an arithmetic number, because the mean of its divisors is an integer number (23943871512).

Almost surely, 2^211222030210 is an apocalyptic number.

211222030210 is a deficient number, since it is larger than the sum of its proper divisors (171879913982).

211222030210 is a wasteful number, since it uses less digits than its factorization.

211222030210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161238329.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 211222030210 its reverse (12030222112), we get a palindrome (223252252322).

The spelling of 211222030210 in words is "two hundred eleven billion, two hundred twenty-two million, thirty thousand, two hundred ten".