121000130231 has 16 divisors (see below), whose sum is σ = 126957836544. Its totient is φ = 115221705984.

The previous prime is 121000130227. The next prime is 121000130243. The reversal of 121000130231 is 132031000121.

It is a cyclic number.

It is not a de Polignac number, because 121000130231 - 2² = 121000130227 is a prime.

It is a super-2 number, since 2×121000130231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000130201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62966 + ... + 495948.

It is an arithmetic number, because the mean of its divisors is an integer number (7934864784).

Almost surely, 2^121000130231 is an apocalyptic number.

121000130231 is a deficient number, since it is larger than the sum of its proper divisors (5957706313).

121000130231 is an equidigital number, since it uses as much as digits as its factorization.

121000130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433190.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121000130231 its reverse (132031000121), we get a palindrome (253031130352).

The spelling of 121000130231 in words is "one hundred twenty-one billion, one hundred thirty thousand, two hundred thirty-one".