211223200130 has 24 divisors (see below), whose sum is σ = 382770977652. Its totient is φ = 83922149696.

The previous prime is 211223200099. The next prime is 211223200151. The reversal of 211223200130 is 31002322112.

It can be written as a sum of positive squares in 6 ways, for example, as 195972001 + 211027228129 = 13999^2 + 459377^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211223200099 and 211223200108.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253697 + ... + 697716.

Almost surely, 2^211223200130 is an apocalyptic number.

211223200130 is a deficient number, since it is larger than the sum of its proper divisors (171547777522).

211223200130 is an equidigital number, since it uses as much as digits as its factorization.

211223200130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951718 (or 951569 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 211223200130 its reverse (31002322112), we get a palindrome (242225522242).

The spelling of 211223200130 in words is "two hundred eleven billion, two hundred twenty-three million, two hundred thousand, one hundred thirty".