211222230130 has 8 divisors (see below), whose sum is σ = 380200014252. Its totient is φ = 84488892048.

The previous prime is 211222230119. The next prime is 211222230217. The reversal of 211222230130 is 31032222112.

It can be written as a sum of positive squares in 2 ways, for example, as 211058466921 + 163763209 = 459411^2 + 12797^2 .

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

It is a super-2 number, since 2×211222230130² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211222230098 and 211222230107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10561111497 + ... + 10561111516.

Almost surely, 2^211222230130 is an apocalyptic number.

211222230130 is a deficient number, since it is larger than the sum of its proper divisors (168977784122).

211222230130 is a wasteful number, since it uses less digits than its factorization.

211222230130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21122223020.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 211222230130 its reverse (31032222112), we get a palindrome (242254452242).

The spelling of 211222230130 in words is "two hundred eleven billion, two hundred twenty-two million, two hundred thirty thousand, one hundred thirty".