1230100211 has 4 divisors (see below), whose sum is σ = 1231543152. Its totient is φ = 1228657272.

The previous prime is 1230100171. The next prime is 1230100219. The reversal of 1230100211 is 1120010321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1120010321 = 3719 ⋅301159.

It is a cyclic number.

It is not a de Polignac number, because 1230100211 - 2³⁰ = 156358387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230100192 and 1230100201.

It is not an unprimeable number, because it can be changed into a prime (1230100219) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 720191 + ... + 721896.

It is an arithmetic number, because the mean of its divisors is an integer number (307885788).

Almost surely, 2^1230100211 is an apocalyptic number.

1230100211 is a deficient number, since it is larger than the sum of its proper divisors (1442941).

1230100211 is an equidigital number, since it uses as much as digits as its factorization.

1230100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442940.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1230100211 is about 35072.7844774264. The cubic root of 1230100211 is about 1071.4703665161.

Adding to 1230100211 its reverse (1120010321), we get a palindrome (2350110532).

The spelling of 1230100211 in words is "one billion, two hundred thirty million, one hundred thousand, two hundred eleven".