130231121211 has 24 divisors (see below), whose sum is σ = 188461138320. Its totient is φ = 86659584000.

The previous prime is 130231121161. The next prime is 130231121219. The reversal of 130231121211 is 112121132031.

130231121211 is a `hidden beast` number, since 1 + 302 + 31 + 121 + 211 = 666.

It is not a de Polignac number, because 130231121211 - 2¹⁸ = 130230859067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130231121219) 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 23 ways as a sum of consecutive naturals, for example, 12689200 + ... + 12699458.

It is an arithmetic number, because the mean of its divisors is an integer number (7852547430).

Almost surely, 2^130231121211 is an apocalyptic number.

130231121211 is a deficient number, since it is larger than the sum of its proper divisors (58230017109).

130231121211 is a wasteful number, since it uses less digits than its factorization.

130231121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12747 (or 12744 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 130231121211 its reverse (112121132031), we get a palindrome (242352253242).

The spelling of 130231121211 in words is "one hundred thirty billion, two hundred thirty-one million, one hundred twenty-one thousand, two hundred eleven".