355104330121 has 16 divisors (see below), whose sum is σ = 372664370176. Its totient is φ = 337928760000.

The previous prime is 355104330101. The next prime is 355104330131. The reversal of 355104330121 is 121033401553.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 355104330121 - 2²⁹ = 354567459209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 355104330121.

It is not an unprimeable number, because it can be changed into a prime (355104330101) 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 15 ways as a sum of consecutive naturals, for example, 8035516 + ... + 8079586.

It is an arithmetic number, because the mean of its divisors is an integer number (23291523136).

Almost surely, 2^355104330121 is an apocalyptic number.

355104330121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

355104330121 is a deficient number, since it is larger than the sum of its proper divisors (17560040055).

355104330121 is a wasteful number, since it uses less digits than its factorization.

355104330121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48424.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 355104330121 its reverse (121033401553), we get a palindrome (476137731674).

The spelling of 355104330121 in words is "three hundred fifty-five billion, one hundred four million, three hundred thirty thousand, one hundred twenty-one".