121130233231 has 8 divisors (see below), whose sum is σ = 138723563520. Its totient is φ = 103609155768.

The previous prime is 121130233193. The next prime is 121130233241. The reversal of 121130233231 is 132332031121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121130233231 - 2¹³ = 121130225039 is a prime.

It is a super-2 number, since 2×121130233231² (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 (121130233241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18059611 + ... + 18066316.

It is an arithmetic number, because the mean of its divisors is an integer number (17340445440).

Almost surely, 2^121130233231 is an apocalyptic number.

121130233231 is a deficient number, since it is larger than the sum of its proper divisors (17593330289).

121130233231 is an equidigital number, since it uses as much as digits as its factorization.

121130233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36126413.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121130233231 its reverse (132332031121), we get a palindrome (253462264352).

The spelling of 121130233231 in words is "one hundred twenty-one billion, one hundred thirty million, two hundred thirty-three thousand, two hundred thirty-one".