355234220051121 has 12 divisors (see below), whose sum is σ = 513243704757940. Its totient is φ = 236763916846560.

The previous prime is 355234220051107. The next prime is 355234220051149. The reversal of 355234220051121 is 121150022432553.

355234220051121 is a `hidden beast` number, since 3 + 5 + 52 + 342 + 200 + 51 + 12 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49825880975025 + 305408339076096 = 7058745^2 + 17475936^2 .

It is not a de Polignac number, because 355234220051121 - 2¹⁴ = 355234220034737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355234220051171) 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, 4908005206 + ... + 4908077583.

Almost surely, 2^{355234220051121} is an apocalyptic number.

It is an amenable number.

355234220051121 is a deficient number, since it is larger than the sum of its proper divisors (158009484706819).

355234220051121 is a wasteful number, since it uses less digits than its factorization.

355234220051121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9816086816 (or 9816086813 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 355234220051121 its reverse (121150022432553), we get a palindrome (476384242483674).

The spelling of 355234220051121 in words is "three hundred fifty-five trillion, two hundred thirty-four billion, two hundred twenty million, fifty-one thousand, one hundred twenty-one".