121320050351 has 4 divisors (see below), whose sum is σ = 121438876104. Its totient is φ = 121201224600.

The previous prime is 121320050339. The next prime is 121320050353. The reversal of 121320050351 is 153050023121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153050023121 = 5059 ⋅30253019.

It is a cyclic number.

It is not a de Polignac number, because 121320050351 - 2¹⁰ = 121320049327 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 (121320050353) 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, 59411345 + ... + 59413386.

It is an arithmetic number, because the mean of its divisors is an integer number (30359719026).

Almost surely, 2^121320050351 is an apocalyptic number.

121320050351 is a deficient number, since it is larger than the sum of its proper divisors (118825753).

121320050351 is a wasteful number, since it uses less digits than its factorization.

121320050351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118825752.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 121320050351 its reverse (153050023121), we get a palindrome (274370073472).

The spelling of 121320050351 in words is "one hundred twenty-one billion, three hundred twenty million, fifty thousand, three hundred fifty-one".