211220102230 has 8 divisors (see below), whose sum is σ = 380196184032. Its totient is φ = 84488040888.

The previous prime is 211220102189. The next prime is 211220102239. The reversal of 211220102230 is 32201022112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×211220102230² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211220102239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10561005102 + ... + 10561005121.

It is an arithmetic number, because the mean of its divisors is an integer number (47524523004).

Almost surely, 2^211220102230 is an apocalyptic number.

211220102230 is a deficient number, since it is larger than the sum of its proper divisors (168976081802).

211220102230 is a wasteful number, since it uses less digits than its factorization.

211220102230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21122010230.

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

Adding to 211220102230 its reverse (32201022112), we get a palindrome (243421124342).

The spelling of 211220102230 in words is "two hundred eleven billion, two hundred twenty million, one hundred two thousand, two hundred thirty".