130121211 has 16 divisors (see below), whose sum is σ = 189463680. Its totient is φ = 78779520.

The previous prime is 130121207. The next prime is 130121227. The reversal of 130121211 is 112121031.

It is not a de Polignac number, because 130121211 - 2² = 130121207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130121011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49980 + ... + 52518.

It is an arithmetic number, because the mean of its divisors is an integer number (11841480).

Almost surely, 2^130121211 is an apocalyptic number.

130121211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130121211 is a deficient number, since it is larger than the sum of its proper divisors (59342469).

130121211 is a wasteful number, since it uses less digits than its factorization.

130121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106.

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

The square root of 130121211 is about 11407.0684665255. The cubic root of 130121211 is about 506.7370966748.

Adding to 130121211 its reverse (112121031), we get a palindrome (242242242).

The spelling of 130121211 in words is "one hundred thirty million, one hundred twenty-one thousand, two hundred eleven".