121332123131121 has 12 divisors (see below), whose sum is σ = 200294298502272. Its totient is φ = 69332641789176.

The previous prime is 121332123131083. The next prime is 121332123131237. The reversal of 121332123131121 is 121131321233121.

121332123131121 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 321 + 2 + 3 + 1 + 311 + 21 = 666.

It is not a de Polignac number, because 121332123131121 - 2¹⁴ = 121332123114737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121332123131321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 962953358121 + ... + 962953358246.

It is an arithmetic number, because the mean of its divisors is an integer number (16691191541856).

Almost surely, 2^{121332123131121} is an apocalyptic number.

It is an amenable number.

121332123131121 is a deficient number, since it is larger than the sum of its proper divisors (78962175371151).

121332123131121 is a wasteful number, since it uses less digits than its factorization.

121332123131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925906716380 (or 1925906716377 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

Adding to 121332123131121 its reverse (121131321233121), we get a palindrome (242463444364242).

The spelling of 121332123131121 in words is "one hundred twenty-one trillion, three hundred thirty-two billion, one hundred twenty-three million, one hundred thirty-one thousand, one hundred twenty-one".