355121552122 has 48 divisors (see below), whose sum is σ = 578474058240. Its totient is φ = 163420428800.

The previous prime is 355121552117. The next prime is 355121552143. The reversal of 355121552122 is 221255121553.

It is a super-2 number, since 2×355121552122² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6486222 + ... + 6540742.

It is an arithmetic number, because the mean of its divisors is an integer number (12051542880).

Almost surely, 2^355121552122 is an apocalyptic number.

355121552122 is a deficient number, since it is larger than the sum of its proper divisors (223352506118).

355121552122 is a wasteful number, since it uses less digits than its factorization.

355121552122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54807 (or 54790 counting only the distinct ones).

The product of its digits is 30000, while the sum is 34.

Adding to 355121552122 its reverse (221255121553), we get a palindrome (576376673675).

The spelling of 355121552122 in words is "three hundred fifty-five billion, one hundred twenty-one million, five hundred fifty-two thousand, one hundred twenty-two".