334151200021 has 4 divisors (see below), whose sum is σ = 334208335500. Its totient is φ = 334094064544.

The previous prime is 334151200007. The next prime is 334151200043. The reversal of 334151200021 is 120002151433.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88914294225 + 245236905796 = 298185^2 + 495214^2 .

It is a cyclic number.

It is not a de Polignac number, because 334151200021 - 2²¹ = 334149102869 is a prime.

It is a super-2 number, since 2×334151200021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 334151199965 and 334151200001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334151200001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28558966 + ... + 28570663.

It is an arithmetic number, because the mean of its divisors is an integer number (83552083875).

Almost surely, 2^334151200021 is an apocalyptic number.

It is an amenable number.

334151200021 is a deficient number, since it is larger than the sum of its proper divisors (57135479).

334151200021 is an equidigital number, since it uses as much as digits as its factorization.

334151200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57135478.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 334151200021 its reverse (120002151433), we get a palindrome (454153351454).

The spelling of 334151200021 in words is "three hundred thirty-four billion, one hundred fifty-one million, two hundred thousand, twenty-one".