121132130331 has 8 divisors (see below), whose sum is σ = 163455405120. Its totient is φ = 79781804552.

The previous prime is 121132130321. The next prime is 121132130347. The reversal of 121132130331 is 133031231121.

It is a happy number.

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 121132130331 - 2⁵ = 121132130299 is a prime.

It is a super-2 number, since 2×121132130331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121132130298 and 121132130307.

It is not an unprimeable number, because it can be changed into a prime (121132130321) 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, 243236961 + ... + 243237458.

It is an arithmetic number, because the mean of its divisors is an integer number (20431925640).

Almost surely, 2^121132130331 is an apocalyptic number.

121132130331 is a deficient number, since it is larger than the sum of its proper divisors (42323274789).

121132130331 is an equidigital number, since it uses as much as digits as its factorization.

121132130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486474505.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121132130331 its reverse (133031231121), we get a palindrome (254163361452).

The spelling of 121132130331 in words is "one hundred twenty-one billion, one hundred thirty-two million, one hundred thirty thousand, three hundred thirty-one".