121310120141 has 4 divisors (see below), whose sum is σ = 138640137312. Its totient is φ = 103980102972.

The previous prime is 121310120131. The next prime is 121310120147. The reversal of 121310120141 is 141021013121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121310120141 - 2¹⁸ = 121309857997 is a prime.

It is a super-2 number, since 2×121310120141² (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 (121310120147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8665008575 + ... + 8665008588.

It is an arithmetic number, because the mean of its divisors is an integer number (34660034328).

Almost surely, 2^121310120141 is an apocalyptic number.

It is an amenable number.

121310120141 is a deficient number, since it is larger than the sum of its proper divisors (17330017171).

121310120141 is an equidigital number, since it uses as much as digits as its factorization.

121310120141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17330017170.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121310120141 its reverse (141021013121), we get a palindrome (262331133262).

The spelling of 121310120141 in words is "one hundred twenty-one billion, three hundred ten million, one hundred twenty thousand, one hundred forty-one".