121330104131 has 4 divisors (see below), whose sum is σ = 122256288264. Its totient is φ = 120403920000.

The previous prime is 121330104053. The next prime is 121330104211. The reversal of 121330104131 is 131401033121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121330104131 - 2¹⁰ = 121330103107 is a prime.

It is a super-2 number, since 2×121330104131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121330104331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463091870 + ... + 463092131.

It is an arithmetic number, because the mean of its divisors is an integer number (30564072066).

Almost surely, 2^121330104131 is an apocalyptic number.

121330104131 is a deficient number, since it is larger than the sum of its proper divisors (926184133).

121330104131 is an equidigital number, since it uses as much as digits as its factorization.

121330104131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926184132.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121330104131 its reverse (131401033121), we get a palindrome (252731137252).

The spelling of 121330104131 in words is "one hundred twenty-one billion, three hundred thirty million, one hundred four thousand, one hundred thirty-one".