121345355510351 has 8 divisors (see below), whose sum is σ = 138682107569280. Its totient is φ = 104009028769368.

The previous prime is 121345355510339. The next prime is 121345355510377. The reversal of 121345355510351 is 153015553543121.

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 121345355510351 - 2³⁸ = 121070477603407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121345355510651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105717881 + ... + 106859538.

It is an arithmetic number, because the mean of its divisors is an integer number (17335263446160).

Almost surely, 2^{121345355510351} is an apocalyptic number.

121345355510351 is a deficient number, since it is larger than the sum of its proper divisors (17336752058929).

121345355510351 is an equidigital number, since it uses as much as digits as its factorization.

121345355510351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212658973.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 121345355510351 in words is "one hundred twenty-one trillion, three hundred forty-five billion, three hundred fifty-five million, five hundred ten thousand, three hundred fifty-one".