334330100021 has 4 divisors (see below), whose sum is σ = 334331875500. Its totient is φ = 334328324544.

The previous prime is 334330100011. The next prime is 334330100029. The reversal of 334330100021 is 120001033433.

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 34562899921 + 299767200100 = 185911^2 + 547510^2 .

It is a cyclic number.

It is not a de Polignac number, because 334330100021 - 2¹⁰ = 334330098997 is a prime.

It is a super-2 number, since 2×334330100021² (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 = 334330099966 and 334330100002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334330100029) 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, 566546 + ... + 994803.

It is an arithmetic number, because the mean of its divisors is an integer number (83582968875).

Almost surely, 2^334330100021 is an apocalyptic number.

It is an amenable number.

334330100021 is a deficient number, since it is larger than the sum of its proper divisors (1775479).

334330100021 is a wasteful number, since it uses less digits than its factorization.

334330100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775478.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 334330100021 its reverse (120001033433), we get a palindrome (454331133454).

The spelling of 334330100021 in words is "three hundred thirty-four billion, three hundred thirty million, one hundred thousand, twenty-one".