350554550121 has 6 divisors (see below), whose sum is σ = 506356572410. Its totient is φ = 233703033408.

The previous prime is 350554550119. The next prime is 350554550131. The reversal of 350554550121 is 121055455053.

350554550121 is a `hidden beast` number, since 3 + 50 + 5 + 54 + 550 + 1 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 237618226521 + 112936323600 = 487461^2 + 336060^2 .

It is not a de Polignac number, because 350554550121 - 2¹ = 350554550119 is a prime.

It is a super-2 number, since 2×350554550121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (350554550131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19475252776 + ... + 19475252793.

Almost surely, 2^350554550121 is an apocalyptic number.

It is an amenable number.

350554550121 is a deficient number, since it is larger than the sum of its proper divisors (155802022289).

350554550121 is a wasteful number, since it uses less digits than its factorization.

350554550121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38950505575 (or 38950505572 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 350554550121 in words is "three hundred fifty billion, five hundred fifty-four million, five hundred fifty thousand, one hundred twenty-one".