334412221021 has 2 divisors, whose sum is σ = 334412221022. Its totient is φ = 334412221020.

The previous prime is 334412220997. The next prime is 334412221043. The reversal of 334412221021 is 120122214433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247790901796 + 86621319225 = 497786^2 + 294315^2 .

It is a cyclic number.

It is not a de Polignac number, because 334412221021 - 2¹⁹ = 334411696733 is a prime.

It is a super-2 number, since 2×334412221021² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334412221051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167206110510 + 167206110511.

It is an arithmetic number, because the mean of its divisors is an integer number (167206110511).

Almost surely, 2^334412221021 is an apocalyptic number.

It is an amenable number.

334412221021 is a deficient number, since it is larger than the sum of its proper divisors (1).

334412221021 is an equidigital number, since it uses as much as digits as its factorization.

334412221021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 334412221021 its reverse (120122214433), we get a palindrome (454534435454).

The spelling of 334412221021 in words is "three hundred thirty-four billion, four hundred twelve million, two hundred twenty-one thousand, twenty-one".